Otherwise, we don't have enough seats, or we don't have enough test papers and so on. By the way, on the tests, you will be getting tomorrow these handouts that you can use in working the homeworks , so when you are taking the test, you are allowed to bring in the copy of the periodic table of the elements.

否则，我们就没有足够的座位，或者没有足够的考试卷子,顺便说一下，在测试当中，你们明天会拿到这些讲义,就可以用来做作业了,当你们在做测试时，你们可以带来,元素周期表。

麻省理工公开课 - 固态化学导论课程节选