So who the sender is, so maybe you could keep track of just who your most frequent correspondents are and if you keep seeing the same personfrom person X or person Y coming into your inbox and clearlyI like having a dialog with these people or have to for work, that might in fact bubble up in your inbox.

谁是发送者，你可能会保留最近跟你联系最频繁的人,如果你发现某某人频繁发送邮件给你,这说明你喜欢和这些人保持联系,可能因工作的原因必须保持联系,那么该邮件就有可能，上升到你邮件的最上方。

哈佛公开课 - 计算机科学课程节选

What we find is that the states who are doing most of the colonizing are located where most of the trade was going on at this point in history, and also most of the manufacturing.

我们发现,殖民行为最多的地区,地处当时贸易最频繁的区域,同时,那里也是制造业最发达的地方

耶鲁公开课 - 古希腊历史简介课程节选