And again, anytime I'm doing algebra on the board, someone should check me at home, so just have a quick look at that. Is that right?

还有,每回我在黑板上演算,你们都帮我检查一下,看看有没有算错,这次算对了吗

耶鲁公开课 - 博弈论课程节选

But I try to go back every two years.

但我争取每两年回一次家乡。

旧金山的景点 - SpeakingMax英语口语达人

She would write to almost anyone who wrote to her.

回了很多信件,而其几乎是每封必回。

耶鲁公开课 - 1945年后的美国小说课程节选