然而今天晚上，青年却坐在对面的一角。

To-night Youth sat in the opposite corner.

youdao

晚上，孩子们通常是做作业，而今天晚上，他们没做企业。

In the evening, the children usually do their homework. But this evening, they are not doing their homework.

youdao

All your TA's have either already have their extra office hours, or there are some that will be going on tonight or tomorrow, so keep those in mind as your finishing up your studying for the exam.

你们的助教们有的已经做过额外的答疑，而有的会在今天晚上或者明天答疑，因此在你复习准备,考试的时候不要忘了这些。

麻省理工公开课 - 化学原理课程节选