The answers people are getting may seem conflicting.

VOA: special.2009.07.14

- Part of the challenge is speed, too, how quickly you can get these answers in terms of getting them in on time.

部分困难也会来自于速度，你多快能做出答案,能否在规定的时间做完。

麻省理工公开课 - 化学原理课程节选

So if you find yourself getting most of these answers correct, then don't take this course.

因此如果你发现你能够答对大部分问题,那么就没必要上这门课了

耶鲁公开课 - 聆听音乐课程节选

But the nice thing about contacting the teaching fellows is they'll be able to get back to you more quickly in all likelihood, and then in addition, because they'll be handling all the questions from students you'll be getting uniform answers.

但联系助教的好处是,他们可能答复得比我快多了,因为他们要处理很多学生的问题,你们会收到统一的邮件回复

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选