> 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/2018/11/27.md). # 27 有点象奇葩大会的辩论，正方、反方。就象一个轴，往左，往右，都有道理。无论哪个角度。 早安，世界。早安，未来。早安，不同的角度。