https://blog.wongcw.com/2018/10/30/mackeynote%e9%96%8b%e5%95%9f%e8%a8%bb%e8%a7%a3%e5%b0%87%e5%b0%8f%e6%8a%84%e5%af%ab%e5%9c%a8%e5%82%99%e8%a8%bb%e6%ac%84%e5%88%86%e4%ba%ab%e7%b0%a1%e5%a0%b1%e6%99%82%e4%b8%8d%e5%90%83%e8%9e%ba/