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

And so this time when you hand it back, this value, I store it in -- we'll say X, and now we actually have retained the value.

这次当你拿回这个值时，我把它存储在X中，现在我们把这个值保存了。

哈佛公开课 - 计算机科学课程节选