> 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/cao-gao.md).

# 草稿

- [走南闯北](https://once-upon-a-phd.gitbook.io/once-upon-a-phd/cao-gao/wandering-in-china.md): “欲纵快马过天山，又揽长弓南海畔。日照金銮峨眉巅，月映丝路过楼兰。”
- [北京往事](https://once-upon-a-phd.gitbook.io/once-upon-a-phd/cao-gao/old-days-in-beijing.md): “当我走在这里的每一条街道，我的心似乎从来都不能平静。” ——汪峰《北京 北京》
- [浮生散记](https://once-upon-a-phd.gitbook.io/once-upon-a-phd/cao-gao/childhood.md): “谁知道我们该梦归何处。”
- [西游札记](https://once-upon-a-phd.gitbook.io/once-upon-a-phd/cao-gao/journey-to-the-west.md): “曾梦想仗剑走天涯，看一看世界的繁华。”