我希望我可以说再换个时间就行了，但你知道这是怎么回事，每个人对这整个学期都已经有需要承担的义务了。

I wish I could say another time would be okay, but you know how it is, everybody's already got commitments for the whole semester.

youdao

我对孩子们的事一无所知，但梅德洛克太太会照顾你，让你得到你所需要的一切。

I don't know anything about children, but Mrs. Medlock is to see that you have all you need.

youdao

由于新冠肺炎，我不能回家，但你不需要为我担心。

Because of COVID-19 (新冠肺炎), I can't go home, but you don't need to worry about me.

youdao

So if you need the help of the notes it's in there but I would urge you to work through it on your own, and it's the following: let's start with the same path A, all right?

如果你需要帮助，可以去看讲义,但我还是希望你们自己去推导它,它是这样的，让我们从：,相同的路径A开始，好吗？

麻省理工公开课 - 热力学与动力学课程节选