> For the complete documentation index, see [llms.txt](https://www.oulan.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.oulan.com/2017/11/29.md).

# 29

有多长时间没有回顾之前的做法了？那些艰苦的日子带给我们什么？那些美好的日子带给我们什么？是随风消散，还是像龙卷风一样给我们反馈？适当放慢脚步，过去的经验总能带给我们启示。早安，世界。早安，未来。早安，来一场回顾吧。

<figure><img src="https://385430918-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M8iFCzaIpXf8zXqpE6I%2Fuploads%2FeYcoCjsyDwQBj7oL3374%2Fimage.png?alt=media&amp;token=9baada19-ed5f-4829-8929-a4109d3c3cb4" alt=""><figcaption></figcaption></figure>