And there will be a different exam in the afternoon, but I think it only makes sense for you not to discuss the paper with people that are taking it in the afternoon.

在下午会有个不同的考试，但是我想仅仅是对你有意义,而不是和别人,讨论下午正在考的试卷。

麻省理工公开课 - 固态化学导论课程节选