With the popular credit system and college students growing disposable time, a study on college students leisure use and education is an important issue to be conducted.

随着大学生学分制的推广，其可自由支配的时间将会越来越多，对大学生加强闲暇时间利用和教育引导是一个亟待研究的重要课题。

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They have disposable incomes and time, the two things you really need for any serious hobby.

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You are wasting your time on something disposable and written for maximum distribution.

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McAfee is so fearful, he says, that he carries up to a dozen disposable cell phones at one time.

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