他们对这两个人都很熟悉，都知道他们的过去经历。

They were well acquainted with both and knew their history.

youdao

他的主人公总是透过窗户和镜子看到自己更黑暗的另一面或是他们的过去。

His characters saw themselves through Windows and in mirrors, divided selves gazing on their darker aspects or their pasts.

youdao

目标是根据他们的过去来更好地了解他\她，然后你才可以改变大脑里之前恶性循环反应。

The goal is getting to know him or her better in light of their history so you can change the vicious cycle of your interactions together.

youdao

Are they beginning to have basic assumptions changed over the last 50 years? I guess, well, 60 years now?

他们承担的基本责任是否正在改变？,经历了过去的50年，哦不，60年直到现在？

普林斯顿公开课 - 人性课程节选

You might even see the farmers sometimes who brought the food into market, and that was certainly true in earlier days.

有时候你甚至能在市场看到,农民在贩卖他们的农作物,过去的确是这样的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It used to be that government officials were all picked by political patronage and they, very often, were incompetent.

过去政府官员,通常都是走后门进来的,他们经常都是不称职的。

耶鲁公开课 - 金融市场课程节选