> 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/2017/10/27.md). # 27 罗马不是一天建成的。在羡慕别人的成功之前，一定知道巨大的建筑都来自于原始的搬砖。早安，世界。早安，未来。早安，开始你的积累吧。