大家看看商务部今天的命令，这是彻底封死。就算你已经下载了App都不能用了。

As of September 20, 2020, the following transactions are prohibited:

1 Any provision of service to distribute or maintain the WeChat or TikTok mobile applications, constituent code, or application updates through an online mobile application store in the U.S.;

这一条是表示从美国app store下架。用户再也无法下载或更新。

2 Any provision of services through the WeChat mobile application for the purpose of transferring funds or processing payments within the U.S.

这一条是指禁止微信支付

As of September 20, 2020, for WeChat and as of November 12, 2020, for TikTok, the following transactions are prohibited:

1 Any provision of internet hosting services enabling the functioning or optimization of the mobile application in the U.S.;

这一条是美国的Internet Hosting Service不能再支持Wechat or Tiktok. Internet Hosting Service是指存放运行服务器的地方，Amazon, Google, Microsoft， Godaddy等都有此项业务。 

2 Any provision of content delivery network services enabling the functioning or optimization of the mobile application in the U.S.;

这一条是指内容缓存服务， 比如Akamai. 通过此服务终端用户无需直接无原厂商的服务器联系。 

3 Any provision directly contracted or arranged internet transit or peering services enabling the function or optimization of the mobile application within the U.S.;

这一条是指Internet Service Provider, 比如AT&T, Verizon等切断网络流量。 

4 Any utilization of the mobile application’s constituent code, functions, or services in the functioning of software or services developed and/or accessible within the U.S.

这一条是指不能再重复使用原代码了。