a proper part-time job does not occupy students too much time in fact it is unhealthy for them to spend all of time on their study as an old saying goes
一份适当的业余工作并不会占用学生太多的时间，事实上，正如那句老话，把全部的时间都用到学习上并不健康
以上为机器翻译结果，长、整句建议使用 人工翻译 。
A proper part-time job does not occupy students' too much time. In fact, it is unhealthy for them to spend all of time on their study.
一份适当的专业工作并不会占用先生太多的工夫，理想上，把全部的工夫都用到学习上并不健康，正如那句老话所说：只工作，不游玩，聪明的孩子会变傻。
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