https://blog.wongcw.com/2020/08/09/%e7%89%b9%e6%9c%97%e6%99%ae%e7%9a%84%e5%be%ae%e4%bf%a1%e7%a6%81%e4%bb%a4%e7%a9%b6%e7%ab%9f%e6%9c%89%e4%bd%95%e6%95%88%e5%8a%9b%ef%bc%9f/
特朗普的微信“禁令”究竟有何效力?