> For the complete documentation index, see [llms.txt](https://once-upon-a-phd.gitbook.io/once-upon-a-phd/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://once-upon-a-phd.gitbook.io/once-upon-a-phd/twilight/dong-xi-dong-xi.md).

# 洞悉，东西

“当东方兔子碰上西方熊二，你会洞悉东西方社会潜规则吗？”