diff --git a/README.md b/README.md index a8f7cf2..a3ec401 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,9 @@ + +> [!NOTE] +> 本文档由 WeHub 基于上游 README 翻译整理，属于社区翻译，非官方中文文档。 +> [English](./README.en.md) · [原始项目](https://github.com/JuliusBrussee/caveman) · [上游 README](https://github.com/JuliusBrussee/caveman/blob/HEAD/README.md) +> 原作者、版权与许可证归属以原始项目及本仓库 LICENSE 文件为准。 +

Caveman

@@ -7,8 +13,8 @@

- Make your AI coding agent talk like a caveman.
- Same answers, 65% fewer output tokens. Brain still big. Mouth small. + 让你的 AI 编程智能体（agent）像穴居人一样说话。
+ 答案一样，输出 token 少 65%。脑子还是大的。嘴巴小的。

@@ -19,53 +25,53 @@

- See it · - Install · - Levels · - What you get · - Benchmarks · - Ecosystem · + 看看效果 · + 安装 · + 级别 · + 你能得到什么 · + 基准测试 · + 生态 · Caveman 2

--- -Caveman is a skill/plugin for [Claude Code](https://docs.anthropic.com/en/docs/claude-code), Codex, Gemini, Cursor, Windsurf, Cline, Copilot, and 30+ other agents. Install once. Agent drops the filler and answers in tight caveman-speak, keeping code, commands, and errors byte-for-byte exact. You save output tokens on every reply, forever. +Caveman 是面向 [Claude Code](https://docs.anthropic.com/en/docs/claude-code),)、Codex、Gemini、Cursor、Windsurf、Cline、Copilot 及 30+ 其他智能体的 skill/插件。安装一次即可。智能体会去掉废话，用精简的穴居人式表达作答，代码、命令和错误信息逐字节保持原样。每次回复都能省下输出 token，一直如此。 -## Before / After +## 前后对比 - - + +
🗣️ Normal agent — 69 tokens Caveman agent — 19 tokens🗣️ 普通智能体 — 69 tokens Caveman 智能体 — 19 tokens
-> The reason your React component is re-rendering is likely because you're creating a new object reference on each render cycle. When you pass an inline object as a prop, React's shallow comparison sees it as a different object every time, which triggers a re-render. I'd recommend using useMemo to memoize the object. +> 你的 React 组件会重新渲染，很可能是因为你在每次渲染周期都创建了新的对象引用。当你把内联对象作为 prop 传入时，React 的浅比较每次都会把它当成不同对象，从而触发重新渲染。我建议用 useMemo 来缓存（memoize）这个对象。 -> New object ref each render. Inline object prop = new ref = re-render. Wrap in `useMemo`. +> 每次渲染新对象引用。内联对象 prop = 新引用 = 重渲染。用 `useMemo` 包起来。
-> Sure! I'd be happy to help you with that. The issue you're experiencing is most likely caused by your authentication middleware not properly validating the token expiry. Let me take a look and suggest a fix. +> 好的！我很乐意帮你。你遇到的问题，多半是因为认证中间件没有正确校验 token 过期时间。我来看看并建议修复方案。 -> Bug in auth middleware. Token expiry check use `<` not `<=`. Fix: +> 认证中间件有 bug。Token 过期检查该用 `<` 不是 `<=`。修复：
-Same fix. Third of the words. Nothing technical lost. +同样的修复。字数约三分之一。技术内容一点没丢。 ``` ┌────────────────────────────────────────────┐ @@ -76,11 +82,11 @@ Same fix. Third of the words. Nothing technical lost. └────────────────────────────────────────────┘ ``` -Caveman no make brain smaller. Caveman make *mouth* smaller. Shrinks what the agent **says**, not what it knows. +Caveman 不会让脑子变小。Caveman 让*嘴巴*变小。压缩的是智能体**说的话**，不是它**知道的东西**。 -## Install +## 安装 -**One command. Finds every agent on your machine. Installs for each.** +**一条命令。找到你机器上的每个智能体。逐个安装。** ```bash # macOS · Linux · WSL · Git Bash @@ -92,17 +98,17 @@ curl -fsSL https://raw.githubusercontent.com/JuliusBrussee/caveman/main/install. irm https://raw.githubusercontent.com/JuliusBrussee/caveman/main/install.ps1 | iex ``` -~30 seconds. Needs Node ≥18. Skips agents you no have. Safe to re-run. +约 30 秒。需要 Node ≥18。会跳过你没有的智能体。可安全重复运行。 > [!TIP] -> **Turn it on:** type `/caveman` or say *"talk like caveman"*. **Turn it off:** say *"normal mode"*. On Claude Code, Codex, and Gemini it's already on from message one. No command needed. +> **开启：**输入 `/caveman` 或说*「像穴居人一样说话」*。**关闭：**说*「正常模式」*。在 Claude Code、Codex 和 Gemini 上，从第一条消息起就已开启。无需命令。
-Install for one agent, or any of 30+ others +为单个智能体安装，或 30+ 其他智能体中的任意一个
-Every agent has its own path (plugin, extension, rule file, or `npx skills add`). The full per-agent matrix, all flags, dry-run, and uninstall live in **[INSTALL.md](./INSTALL.md)**. A few common ones: +每个智能体都有自己的路径（插件、扩展、规则文件或 `npx skills add`）。完整的按智能体对照表、所有标志位、dry-run 和卸载说明都在 **[INSTALL.md](./INSTALL.md)**。常见几个： ```bash # Claude Code plugin @@ -115,125 +121,125 @@ gemini extensions install https://github.com/JuliusBrussee/caveman npx skills add JuliusBrussee/caveman -a cursor ``` -**Install broke?** Open your agent in this repo and say: *"Read CLAUDE.md and INSTALL.md, install caveman for me."* Agent read repo, agent fix own brain. Snake eat tail. +**安装坏了？** 在本仓库里打开你的智能体，然后说：*「Read CLAUDE.md and INSTALL.md, install caveman for me.」* 智能体读仓库，智能体修自己的脑子。蛇吃尾巴。
-## Pick your grunt +## 选择你的咕哝级别 -Six levels. Switch anytime with `/caveman `. Level sticks until you change it or the session ends. +六个级别。随时用 `/caveman ` 切换。级别会一直保持，直到你更改或会话结束。 -| Level | Same sentence, shrunk | +| 级别 | 同一句话，压缩后 | |---|---| -| *normal agent* | You should wrap the object in `useMemo`, since a new reference is created on every render. | -| `lite` | Wrap object in `useMemo`. New ref created every render. | -| `full` *(default)* | New ref each render. Wrap object in `useMemo`. | -| `ultra` | New ref/render. `useMemo` it. | -| `wenyan` | New ref every render, so wrap in `useMemo` — rendered in classical Chinese, shorter still. | +| *普通智能体* | 你应该把对象包在 `useMemo` 里，因为每次渲染都会创建新引用。 | +| `lite` | 对象包进 `useMemo`。每次渲染新引用。 | +| `full` *（默认）* | 每次渲染新引用。对象包进 `useMemo`。 | +| `ultra` | 每次渲染新引用。用 `useMemo` 包它。 | +| `wenyan` | 每次渲染新引用，所以包进 `useMemo` — 以文言文呈现，更短。 | > [!NOTE] -> **Speak your tongue.** Caveman keeps your language. Write Portuguese, caveman grunt Portuguese. Spanish, French, same. It compresses the *style*, never translates. `wenyan` mode is the exception on purpose: classical Chinese packs the most meaning per token. +> **说你的语言。** Caveman 保留你的语言。写葡萄牙语，就咕哝葡萄牙语。西班牙语、法语，一样。它压缩的是*风格*，从不翻译。`wenyan` 模式是刻意例外：文言文每个 token 能塞最多意思。 -## What you get +## 你能得到什么 -| Command | What it does | +| 命令 | 作用 | |---|---| -| `/caveman [lite\|full\|ultra\|wenyan]` | Compress every reply. Level sticks for the session. | -| `/caveman-commit` | Conventional Commit messages, ≤50-char subject. Why over what. | -| `/caveman-review` | One-line PR comments: `L42: 🔴 bug: user null. Add guard.` | -| `/caveman-stats` | Real session token usage, lifetime savings, USD. Tweetable line with `--share`. | -| `/caveman-compress ` | Rewrite a memory file (like `CLAUDE.md`) into caveman-speak. Cuts ~46% input tokens **every session after**. Code, URLs, paths byte-preserved. | -| `caveman-shrink` | MCP middleware. Wraps any MCP server, compresses its tool descriptions. [npm](https://www.npmjs.com/package/caveman-shrink). | -| `cavecrew-*` | Caveman subagents (investigator, builder, reviewer). ~60% fewer tokens than vanilla, so main context lasts longer. | +| `/caveman [lite\|full\|ultra\|wenyan]` | 压缩每次回复。级别在整个会话中保持。 | +| `/caveman-commit` | Conventional Commit 提交信息，主题 ≤50 字符。讲 why 不讲 what。 | +| `/caveman-review` | 单行 PR 评论：`L42: 🔴 bug: user null. Add guard.` | +| `/caveman-stats` | 真实会话 token 用量、累计节省、美元。带 `--share` 的可发推一行话。 | +| `/caveman-compress ` | 把记忆文件（如 `CLAUDE.md`）改写成穴居人式表达。**之后每个会话**约省 46% 输入 token。代码、URL、路径逐字节保留。 | +| `caveman-shrink` | MCP 中间件。包装任意 MCP 服务器，压缩其工具描述。[npm](https://www.npmjs.com/package/caveman-shrink). | +| `cavecrew-*` | Caveman 子智能体（investigator、builder、reviewer）。比原版少约 60% token，主上下文撑得更久。 | > [!TIP] -> On Claude Code the statusline shows `[CAVEMAN] ⛏ 12.4k` — that's your lifetime tokens saved, updated on every `/caveman-stats`. Silence it with `CAVEMAN_STATUSLINE_SAVINGS=0`. +> 在 Claude Code 上，状态栏会显示 `[CAVEMAN] ⛏ 12.4k` — 那是你累计节省的 token，每次 `/caveman-stats` 都会更新。用 `CAVEMAN_STATUSLINE_SAVINGS=0` 让它安静。 -## Benchmarks +## 基准测试 -Real token counts from the Claude API. Average **65% output reduction** across 10 prompts (range 22–87%), measured against default verbose replies. Output tokens only, committed and reproducible in [`benchmarks/`](./benchmarks/) and [`evals/`](./evals/). +来自 Claude API 的真实 token 计数。10 条提示词平均**输出减少 65%**（范围 22–87%），对照默认啰嗦回复测量。仅统计输出 token，已提交且可在 [`benchmarks/`](./benchmarks/) 和 [`evals/`](./evals/) 中复现。 -| Task | Normal | Caveman | Saved | +| 任务 | 普通 | Caveman | 节省 | |------|-------:|--------:|------:| -| Explain React re-render bug | 1180 | 159 | 87% | -| Fix auth middleware token expiry | 704 | 121 | 83% | -| Set up PostgreSQL connection pool | 2347 | 380 | 84% | -| Explain git rebase vs merge | 702 | 292 | 58% | -| Refactor callback to async/await | 387 | 301 | 22% | -| Architecture: microservices vs monolith | 446 | 310 | 30% | -| Review PR for security issues | 678 | 398 | 41% | -| Docker multi-stage build | 1042 | 290 | 72% | -| Debug PostgreSQL race condition | 1200 | 232 | 81% | -| Implement React error boundary | 3454 | 456 | 87% | -| **Average** | **1214** | **294** | **65%** | +| 解释 React 重渲染 bug | 1180 | 159 | 87% | +| 修复认证中间件 token 过期 | 704 | 121 | 83% | +| 配置 PostgreSQL 连接池 | 2347 | 380 | 84% | +| 解释 git rebase vs merge | 702 | 292 | 58% | +| 将回调重构为 async/await | 387 | 301 | 22% | +| 架构：微服务 vs 单体 | 446 | 310 | 30% | +| 审查 PR 安全问题 | 678 | 398 | 41% | +| Docker 多阶段构建 | 1042 | 290 | 72% | +| 调试 PostgreSQL 竞态条件 | 1200 | 232 | 81% | +| 实现 React 错误边界 | 3454 | 456 | 87% | +| **平均** | **1214** | **294** | **65%** | > [!IMPORTANT] -> **Honest number warning.** Caveman only shrinks **output** tokens. Input and reasoning tokens are untouched, and the skill itself adds ~1–1.5k input tokens per turn. So whole-session savings run smaller than the output number, and on already-terse workloads they can go net-negative. The real win is **readability and speed**. Cost savings are the bonus. When caveman wins, when it loses, and how to measure it yourself: **[docs/HONEST-NUMBERS.md](./docs/HONEST-NUMBERS.md)**. +> **诚实数字提醒。** Caveman 只压缩**输出** token。输入和推理 token 不动，skill 本身每轮还会增加约 1–1.5k 输入 token。所以整场会话的节省会小于输出数字，在本来就很简练的工作负载上甚至可能净负。真正的收益是**可读性和速度**。省钱是附加好处。Caveman 何时赢、何时输、如何自己测量：**[docs/HONEST-NUMBERS.md](./docs/HONEST-NUMBERS.md)**。 -Turns out short isn't just cheaper. A March 2026 paper, [*Brevity Constraints Reverse Performance Hierarchies in Language Models*](https://arxiv.org/abs/2604.00025), tested 31 models and found that constraining large models to brief answers **improved accuracy by ~26 points** on some benchmarks. Sometimes less word = more correct. +事实证明，短不只是更便宜。2026 年 3 月的一篇论文 [*Brevity Constraints Reverse Performance Hierarchies in Language Models*](https://arxiv.org/abs/2604.00025),) 测试了 31 个模型，发现约束大模型给出简短答案，在某些基准上**准确率提升约 26 个百分点**。有时字少 = 更对。
-caveman-compress receipts — real memory files, cutting input tokens forever +caveman-compress 凭证 — 真实 memory 文件，永久削减输入 token
-| File | Original | Compressed | Saved | +| 文件 | 原始 | 压缩后 | 节省 | |---|---:|---:|---:| | `claude-md-preferences.md` | 706 | 285 | **59.6%** | | `project-notes.md` | 1145 | 535 | **53.3%** | | `claude-md-project.md` | 1122 | 636 | **43.3%** | | `todo-list.md` | 627 | 388 | **38.1%** | | `mixed-with-code.md` | 888 | 560 | **36.9%** | -| **Average** | **898** | **481** | **46%** | +| **平均** | **898** | **481** | **46%** | -Every session after, that file loads ~46% smaller. Input tokens saved forever, not just one reply. +此后的每次会话，该文件加载体积约小 46%。输入 token 永久节省，而非仅在一次回复中。
-## The whole cave +## 完整生态
-### Want the whole agent, not just its mouth? → caveman-code +### 想要完整智能体，而不仅是它的「嘴」？→ caveman-code -This skill shrinks what an agent **says**. **[caveman-code](https://github.com/JuliusBrussee/caveman-code)** shrinks **everything** — a full terminal coding agent, caveman top to bottom. **~2× fewer tokens than Codex** on identical tasks. 20+ providers, plan mode, autopilot goal loop, MIT. +本 skill 压缩智能体**所说**的内容。**[caveman-code](https://github.com/JuliusBrussee/caveman-code)** 压缩**一切**——端到端的完整终端编程智能体，自上而下皆为 caveman 风格。在相同任务上 token 比 Codex **少约 2 倍**。20+ 提供商、plan mode（计划模式）、autopilot goal loop（自动驾驶目标循环），MIT。 ```bash npm install -g @juliusbrussee/caveman-code ``` -[**▶ Try caveman-code →**](https://github.com/JuliusBrussee/caveman-code) +[**▶ 试用 caveman-code →**](https://github.com/JuliusBrussee/caveman-code)
-Five tools, one idea: **agent do more with less.** +五个工具，一个理念：**智能体用更少做更多。** -| Repo | What it shrinks | +| 仓库 | 压缩对象 | |------|------| -| [**caveman**](https://github.com/JuliusBrussee/caveman) *(you here)* | What the agent **says** | -| [**caveman-code**](https://github.com/JuliusBrussee/caveman-code) | The **whole agent**, end to end | -| [**cavemem**](https://github.com/JuliusBrussee/cavemem) | What the agent **remembers**, across sessions | -| [**cavekit**](https://github.com/JuliusBrussee/cavekit) | The **build loop** — spec-driven, no guessing | -| [**cavegemma**](https://github.com/JuliusBrussee/finetune-caveman) | The compression **baked into weights** (Gemma fine-tune) | +| [**caveman**](https://github.com/JuliusBrussee/caveman) *（你在这里）* | 智能体**所说**的内容 | +| [**caveman-code**](https://github.com/JuliusBrussee/caveman-code) | **完整智能体**，端到端 | +| [**cavemem**](https://github.com/JuliusBrussee/cavemem) | 智能体**记忆**的内容，跨会话 | +| [**cavekit**](https://github.com/JuliusBrussee/cavekit) | **构建循环**——规格驱动，无需猜测 | +| [**cavegemma**](https://github.com/JuliusBrussee/finetune-caveman) | 压缩**烘焙进权重**（Gemma 微调） |
-Also: five sibling skills, one install +另附：五个姊妹 skill，一次安装
-[**JuliusBrussee/skills**](https://github.com/JuliusBrussee/skills) — works in Claude Code, Cursor, Gemini, Cline, Copilot, 40+ agents: +[**JuliusBrussee/skills**](https://github.com/JuliusBrussee/skills) — 适用于 Claude Code、Cursor、Gemini、Cline、Copilot 及 40+ 智能体： -| Skill | What | +| Skill | 作用 | |------|------| -| [**caveman**](https://github.com/JuliusBrussee/skills/tree/main/skills/caveman) | This one. Speak less, say more. | -| [**grill-me**](https://github.com/JuliusBrussee/skills/tree/main/skills/grill-me) | Agent grills your plan *before* you build the wrong thing. | -| [**interface-kit**](https://github.com/JuliusBrussee/skills/tree/main/skills/interface-kit) | Build UI that looks good, loads fast, works for everyone. | -| [**junior-to-senior**](https://github.com/JuliusBrussee/skills/tree/main/skills/junior-to-senior) | Adversarial review pass. Junior output in, senior output out. | -| [**loop-factory**](https://github.com/JuliusBrussee/skills/tree/main/skills/loop-factory) | Spec-driven task loop — inbox → active → archive. | +| [**caveman**](https://github.com/JuliusBrussee/skills/tree/main/skills/caveman) | 就是这个。少说，言之有物。 | +| [**grill-me**](https://github.com/JuliusBrussee/skills/tree/main/skills/grill-me) | 智能体在你造错东西*之前*审阅你的计划。 | +| [**interface-kit**](https://github.com/JuliusBrussee/skills/tree/main/skills/interface-kit) | 构建好看、加载快、人人可用的 UI。 | +| [**junior-to-senior**](https://github.com/JuliusBrussee/skills/tree/main/skills/junior-to-senior) | 对抗式审阅。初级输出进，高级输出出。 | +| [**loop-factory**](https://github.com/JuliusBrussee/skills/tree/main/skills/loop-factory) | 规格驱动的任务循环——收件箱 → 进行中 → 归档。 | ```bash npx skills@latest add JuliusBrussee/skills @@ -242,47 +248,47 @@ npx skills@latest add JuliusBrussee/skills
-🦞 Teach the lobster brevity — OpenClaw integration +🦞 教龙虾简洁表达——OpenClaw 集成
-[**OpenClaw**](https://openclaw.ai) is a self-host gateway: one box, many agents inside, wired to Slack / Discord / iMessage / Telegram. Lobster strong. Lobster smart. Lobster also talk a lot. +[**OpenClaw**](https://openclaw.ai) 是自托管网关：一台设备，内含多个智能体，接入 Slack / Discord / iMessage / Telegram。龙虾强壮。龙虾聪明。龙虾也爱啰嗦。 -Same installer, scoped to one agent: +同一安装器，限定单个智能体： ```bash curl -fsSL https://raw.githubusercontent.com/JuliusBrussee/caveman/main/install.sh | bash -s -- --only openclaw ``` -Two things happen, no more: a caveman skill lands in the workspace, and a tiny marker-fenced block is appended to `SOUL.md` (OpenClaw injects it every turn, so the lobster is terse from message one — no `/caveman` per session). Custom path? `OPENCLAW_WORKSPACE=/your/path`. Uninstall with the same line plus `--uninstall`; your other workspace content stays untouched. Lobster claw still sharp. Lobster mouth now small. +只发生两件事，不多不少：caveman skill 落入工作区，并向 `SOUL.md` 追加一小块 marker 围栏代码块（OpenClaw 每轮注入，因此龙虾从第一条消息起就简洁——无需每会话 `/caveman`）。自定义路径？`OPENCLAW_WORKSPACE=/your/path`。用同一命令行加上 `--uninstall` 即可卸载；工作区其他内容不受影响。龙虾钳子依旧锋利。龙虾嘴巴如今更小。
## Caveman 2 -**Caveman make token small. Caveman 2 make it _provable_.** +**Caveman 让 token 变小。Caveman 2 让它 _可证明_。** -Today's savings numbers (including `/caveman-stats`) are local estimates. Caveman 2 measures and verifies them across a whole team — real receipts, real dashboard, real proof the tokens went down. Building it now. +今日的节省数据（含 `/caveman-stats`）均为本地估算。Caveman 2 将在整个团队范围内测量并验证——真实凭证、真实仪表盘、token 确实下降的真实证明。正在构建中。 -[**Join the waitlist → caveman.so**](https://caveman.so) +[**加入候补名单 → caveman.so**](https://caveman.so) -## How it works +## 工作原理 -1. Install drops a skill file into your agent. -2. Skill tells agent: drop filler, keep substance, use fragments — but never touch code, commands, or errors. -3. On Claude Code, a hook writes a tiny flag file each session, so the agent talks caveman from message one without `/caveman`. -4. `/caveman-stats` reads your session log, counts tokens saved, writes the number to your statusline. -5. `/caveman-compress` rewrites memory files (like `CLAUDE.md`) so every future session starts with a smaller context. Save tokens forever, not just once. +1. 安装时向智能体投放一个 skill 文件。 +2. Skill 指示智能体：去掉废话、保留实质、使用片段——但绝不改动代码、命令或错误信息。 +3. 在 Claude Code 上，hook 每会话写入一个小型标志文件，使智能体从第一条消息起即以 caveman 风格说话，无需 `/caveman`。 +4. `/caveman-stats` 读取会话日志，统计节省的 token，并将数字写入 statusline。 +5. `/caveman-compress` 重写 memory 文件（如 `CLAUDE.md`），使今后每次会话以更小的上下文启动。永久节省 token，而非一次性。 -Hook architecture, file ownership, and CI sync are documented for maintainers in [CLAUDE.md](./CLAUDE.md). +Hook 架构、文件归属与 CI 同步的维护者文档见 [CLAUDE.md](./CLAUDE.md)。 -## Privacy +## 隐私 -Caveman no phone home. No telemetry, no analytics, no accounts, no backend. After install, zero network calls — the skill is a prompt, the hooks are local scripts, and `/caveman-stats` reads a log already on your disk. Install-time fetches (GitHub plus your agents' own registries) are spelled out in [SECURITY.md](./SECURITY.md#privacy--telemetry). +Caveman 不回传数据。无遥测、无分析、无账户、无后端。安装后零网络调用——skill 是一段 prompt，hook 是本地脚本，`/caveman-stats` 读取磁盘上已有的日志。安装时的拉取（GitHub 及各智能体自有 registry）详见 [SECURITY.md](./SECURITY.md#privacy--telemetry)。 -## Sponsors +## 赞助商 -Caveman free forever. Sponsors keep the rock sharp. +Caveman 永久免费。赞助商让这块石头保持锋利。

@@ -294,31 +300,31 @@ Caveman free forever. Sponsors keep the rock sharp.

- Atlas Cloud — full-modal AI inference platform, one API. + Atlas Cloud — 全模态 AI 推理平台，一个 API。

- Want your rock here? → Sponsor caveman + 想让你的石头出现在这里？→ 赞助 caveman

-## Star this repo +## 给本仓库加星 -Caveman save you token, save you money. Star cost zero. Fair trade. ⭐ +Caveman 帮你省 token、省钱。加星零成本。公平交易。⭐ [![Star History Chart](https://api.star-history.com/svg?repos=JuliusBrussee/caveman&type=Date)](https://star-history.com/#JuliusBrussee/caveman&Date) --- -Docs: -Install matrix · -Honest numbers · -Contributing · -Maintainer guide · +文档： +安装矩阵 · +诚实数据 · +贡献指南 · +维护者指南 · Issues
-Also by Julius Brussee: -Revu — local-first macOS study app with FSRS spaced repetition (revu.cards) +同作者其他项目： +Revu — 本地优先的 macOS 学习应用，采用 FSRS 间隔重复（revu.cards）

-MIT — free like mass mammoth on open plain. +MIT — 免费如开阔平原上的猛犸群。