But if you say, well, I don't know how to do this, I am not going to bother, don't grade the paper.

但是如果你说，好吧，我不知道怎么做这个，我想麻烦，别给试卷评分。

麻省理工公开课 - 固态化学导论课程节选

I am not only going to say that we have quantization in the motion.

我并不是说,我们只在概念上有量子学。

麻省理工公开课 - 固态化学导论课程节选