https://blog.wongcw.com/2021/11/26/%e5%89%b2%e9%9f%ad%e8%8f%9c%e6%9c%80%e5%bf%ab%e7%9a%84%e5%88%80%ef%bc%8c%e5%8f%ab%e9%90%b3%e5%b0%84%e9%9b%b7%e9%81%94/
割韭菜最快的刀,叫鐳射雷達