https://blog.wongcw.com/2019/03/13/%e8%87%b3%e5%b0%91%e5%b7%b2%e6%9c%8943%e5%9c%8b%e7%a6%81%e9%a3%9b737-max-8-%e7%be%8e%e5%9c%8b%e3%80%81%e6%b3%a2%e9%9f%b3%e5%ae%98%e6%96%b9%e8%a1%a8%e6%85%8b/
至少已有43國禁飛737 MAX 8 美國、波音官方表態