> 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/2017/11/10.md). # 10 小的时候曾经赶过火车。不能直达，要在中间某站换乘。如果错过，就要去改签等待另外一次。有些错过可能没有这么幸运。错过了，就没有预期。早安，世界。早安，未来。早安，给不等待的你。