在激活该功能以后，如果你添加的收件人超过两个，就会出现一个推荐人提示。
After you activate it, this new feature, "Suggest more recipients," kicks in after you add at least two recipients to your message.
这两个服务被设计为一起使用，因为它们分别针对发件人和收件人关系的某一方。
These two services are designed to be used in conjunction with one another, because each separately addresses one side of the sender-recipient relationship.
应用推荐