So now Facebook has rolled out this new set of rules, and it's applying them for the first time to Trump.

因此，现在脸谱网推出了这套新规则，并首次将其应用到特朗普身上。

Once all the designs are finalized, vendors will roll out the new emoji set, usually around the time they update their operating systems.

所有设计都完成后，销售商通常会选择在操作系统更新前后推出新的表情包。