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Our findings indicate that for many students, working 20 hours or more a week can contribute to decreased school performance and increased drug and alcohol use.

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As the cost of attending university has soared over the last two decades, a frank and vigorous debate is emerging over who should pay for the cost of higher education.

Relieved of this considerable burden,I am convinced that I will be able to make intelligent career choices that wih provide me with greater personal satisfaction and ensure better pay over the years to come.

With acceptance that you will pay your own way, you will grow and mature and learn important skills that will serve you all your life.

液压系统由、、、四个主要组成部分。