And, following a test, a lot of people write in pencil: don't try to erase something and bring it back and say that, oh, actually, this is what I had because we look at that and go, this is perfect.

还有，在测试的时候，很多人用铅笔：,不要试图擦掉什么，把它带回,说，事实上，这是我的,因为我们看了一下就走了，这很完美。

麻省理工公开课 - 固态化学导论课程节选

The first three or four weeks or so we'll be following the elements of music: rhythm, melody and harmony-- and then a test.

开始的三或四周,我们会逐个介绍,音乐中的元素,节奏,旋律,和声,然后有一个考试

耶鲁公开课 - 聆听音乐课程节选