> 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/2017/08/09.md). # 09 跟着别人的脚步，不容易湿鞋，也不一定是想要的路。早安，世界。早安，未来。早安，有选择的你。