You can take heat energy and convert it to work energy and vice versa, and it doesn't say anything about that you have to waste heat if you're going to transform heat into work.

你可以把热能便成功,也可以反过来,但它对于如果你要把热变成功,就必须浪费热量这件事只字未提,它只是说这是能量。

麻省理工公开课 - 热力学与动力学课程节选

Maybe you're with a friend and the friend is excited about going to the park.

假设你正和一个朋友在一起，你的朋友对于去公园这件事很兴奋。

What if 课堂 - SpeakingMax英语口语达人

Yeah, but I suppose there is nothing much there is anything we can do about it right now?

是的，我想对于这件事我们能做的很有限？

普林斯顿公开课 - 国际座谈会课程节选

So how do you feel call to this, but how did you like to say, I remember when I told my parents I was going to seminary, So I think there is a similar identity.

你对于做教士这件事是怎么想的，你当时是怎样想到，我记得当时对父母说我要去神学院时，所以我们的这种经历是类似的。

普林斯顿公开课 - 人性课程节选

Well, Ameiricans has been so steadfastly disgreed although most silent on other issue What Karzai said from the very begining was that people who have not commited any war crimes, people who have not murdered people can lay down their arms pledgely.

虽然在其他问题上，美国都保持沉默,对于这件事，却是强烈反对,一开始卡尔扎伊就说,那些没有反战争罪，没有杀人的塔利班成员,可以放下武器。

普林斯顿公开课 - 国际座谈会课程节选