So if I post it on Wednesday to cover the material for that week, then you should attempt it as quickly as possible because I'm going to assume you have done the problems when you come for the next few lectures.

如果我周三布置了关于该周课堂内容的作业,你们应该尽快着手去做,因为当你下周来上新课时,我会假设大家都已经把上周题目做完了

耶鲁公开课 - 基础物理课程节选