> 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/2017/08/13.md). # 13 爱默生说：“整个人生就是一场实验，尝试得越多，就越好。”早安，世界。早安，未来。早安，尝试中的你。