And she now has to talk about another problem in class,she says incorrect word use.

VOA: special.2010.01.28

I talked about life is not like a mathematic problem ? with you or in my other class ?

我说过生活不是个数学难题,是跟你们说过？，还是在我另外的课上？

麻省理工公开课 - 电影哲学课程节选

The in class mid-terms--the grades will be roughly 10% problem sets, 20% first mid-term, 30% second mid-term, 40% final.

期中那次是随堂考,在最后成绩中,习题成绩占10%,第一次期中占20%,第二次期中占30%,期末考试占40%

耶鲁公开课 - 金融市场课程节选

The ruling is a powerful rebuke of the so-called cy pres doctrine, a legal theory that has sprung up, despite dubious academic credentials, to deal with an intractable problem with class actions: Unclaimed funds.

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Americans are getting older, creating what the president will call "a high class problem" for the country.

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"If you throw municipal bonds into disorder, you're going to have a real world-class problem, " Ross was quoted as saying at a luncheon in New York.

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