Top left hand corner, it's completely stupid, right?

在左上角，是不是很没意义啊？

哈佛公开课 - 计算机科学课程节选

That's right. I agree with you completely.

您说的对，我完全赞同。

普林斯顿公开课 - 人性课程节选

Delta u is zero, right? It should be completely second nature.

u=0，对吧？这应当,成为本能的答案了。

麻省理工公开课 - 热力学与动力学课程节选