Faced with great social changes and competitive stresses, most college students have a good many mental problems or psychological illnesses.

由于自身的特点，当代大学生面对社会变革和竞争压力，产生了诸多的心理问题乃至心理疾病。

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NCAA-National College association of America Students offers a great many reserve athletes for professional association matches.

美国大学生联赛NCAA为职业联赛提供了大量的后备人才。

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Many of you know that I'm a community college professor, and I've had the great privilege over the years of teaching countless nursing students -- and I have to tell you, they're always my A students.

WHITEHOUSE: The White House