来尝试一种别样的通讯体验吧。Signal 不仅提供各种常见的功能，还尤为注重隐私安全。 While Signal has an exceptionally familiar interface, it is very various underneath the hood. Your discussions in Signal are conclusion-to-conclusion encrypted, which means that not even the proprietors of Signal can observe them. Only the individuals in the conversation can see them. On four October 2016,... https://www-signal.com/