After enrollment expansion of universities, the problem of difficult employment of the graduates has aroused the attention of all circles of the society.

高校扩招后，毕业生就业难的问题已经引起社会各界的广泛关注。

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It's a systems engineering to solve the problem of difficult enforcement of judgments and the way out lies in coordination, research and efforts in myriad ways.

解决“执行难”问题，是一个系统工程，需要方方面面的协调、探索、努力。

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Improving machinability of engineering ceramic materials via microstructural design is the key to resolving the problem of difficult machining of ceramic materials.

通过陶瓷自身显微结构设计来增强陶瓷材料的可加工性是解决陶瓷难加工问题的关键。

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The most difficult national problem facing the administration of President Franklin Pierce was the situation in Kansas.

VOA: special.2009.05.07

Well, I talked about the problem of using plasmids in gene therapy, that it's very difficult to get them into cells.

我们之前讨论过,基因治疗中运用质粒的问题,质粒本身极难进入细胞

耶鲁公开课 - 生物医学工程探索课程节选

Part of the problem with using operant conditioning with babies is it's difficult to get them to behave in any systematic way.

应用操作性条件作用的部分问题在于,很难使婴儿们按照系统的方式行动

耶鲁公开课 - 心理学导论课程节选

Detective Superintendent Chris Bourlet of the Met's Child Protection Central Command told Newsnight reporter Angus Stickler the scale of the problem was difficult to determine.

BBC: NEWS | UK | Call for action on child exorcism

"The roots of the problem are incredibly difficult to address, " says Dr Spottiswoode.

BBC: African lark soon to be extinct

No, he did not worry about Anselmo and the problem of the bridge was no more difficult than many other problems.

NPR: Robert Jordan, Hemingway's Bipartisan Hero