> 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/2017/12/18.md). # 18 早晨的阳光，轻轻地照在纱帘上。马达轰鸣，鸟儿不知道在哪里栖息。舒展的心情，舒展的状态。早安，世界。早安，未来。早安，一起放飞吧。