"The circumstances of your life what you look like, where you come from, how much money you have, what you've got going on at home that's no excuse for neglecting your homework or having a bad attitude in school.

VOA: standard.2009.09.08

So, there is no homework grade based on turning homework in.

你们交上来的作业,并没有分数。

麻省理工公开课 - 固态化学导论课程节选

You'll have weekly - approximately weekly homework assignments that account for 10% of your grade, but they have an impact beyond the 10% because if you can do the homework and you understand the homework, you're going to have no problem with the exams.

你们有个周作业,大约是每周一次,这个作业占总分的百分之十,但这个作业对分数的影响大得多,因为你如果你做了并弄懂了家庭作业,考试就没问题了

耶鲁公开课 - 生物医学工程探索课程节选