"A lot of time homeless children's families are in chaos and homework is the last thing that parents want to be worrying about."

VOA: special.2011.01.27

Make the time to work the homework problems.

找时间来解决作业上的问题。

麻省理工公开课 - 固态化学导论课程节选

So rather than go through this again a whole third time, I've gone through it once in quantities and once in prices, I'm going to get you guys to do it this time by having you do it on a homework assignment.

与其从头到尾再做第三遍,我已经从产量和价格角度从头到尾做过了,我将让你们自己,在家庭作业中完成这个工作

耶鲁公开课 - 博弈论课程节选