> 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/2023/01/15.md).

# 15

无欲无求\
守住几枚旋钮\
由他自言自语的韵律或短或久\
由他或急或缓的节奏

![](/files/gTPVpYXBcYqvAV3TesWt)