This means that you can rise above your problems if you have a goal and work very hard.

VOA: special.2009.03.01

And this should look kind of familiar to some of the problems you may have seen on the problem-set if you started it this weekend.

如果你们这周就开始做习题集的话,这样的题目你们,应该会觉得很熟悉。

麻省理工公开课 - 化学原理课程节选

If you haven't looked at the homework problems, you might have difficulty with the homework quiz.

但如果你没有看过作业的问题，这个测试则将会很难。

麻省理工公开课 - 固态化学导论课程节选

If they have problems, they can come to us, and I take that responsibility.

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If you have problems downloading your photos, please try again tomorrow or the next days.

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If the Canadians have problems, say Alaskan negotiators, let them blame their own mismanagement.

ECONOMIST: Canada