如果你不明白一个问题的答案，就请医生再解释一遍，直到你明白为止。

If you don't understand the answer to a question, ask the doctor to explain it again until you do understand.

youdao

如果你已经从事网页设计有一段时间了，那么请从现在开始认真挑选你的客户吧。不要再对以上的六点作出妥协了！

So if you're in this for the long term, pick your clients wisely and don't tolerate these things.

youdao

如果你认为我必须再添加你所喜爱的，请告诉我。

If you think that I must add some more that you like, tell me.

youdao

And again, if you're not in that category, talk to John or I after class, and we'll help you figure out where you might want to go.

再重申，如果你不是这样的学生，请课后来找我或者John谈谈，我们会帮你寻找,更好的去处。

麻省理工公开课 - 计算机科学及编程导论课程节选