> 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/2021/05/04-board.md).

# 04, 路牌

期待，如何走\
向前，或者绕后\
限制解除了没有\
在一个分岔路口

![](/files/-MZoQt6vnGs-Ww2XSs1V)