https://blog.wongcw.com/2020/11/04/%e5%8a%a0%e5%b7%9e%e9%81%b8%e6%b0%91%e6%8a%95%e7%a5%a8%e9%80%9a%e9%81%8e22%e8%99%9f%e6%8f%90%e6%a1%88-uber-lyft%e5%8f%b8%e6%a9%9f%e4%b8%8d%e6%9c%83%e8%a2%ab%e6%ad%b8%e9%a1%9e/