50. For people who want to adopt a healthy and meaningful life style， it is important to find time to learn certain new knowledge. Just as an old saying goes： it is never too late to learn.
对于那些想过上健康而有意义的生活的人们来说，找时间学习一些新知识是很重要的，正如那句老话：活到老，学到老。
51. There is a general debate on the campus today over the phenomenon of college or high school students' doing a part-time job.
对于大学 或高中 生打工这一现象，校园里进行着广泛的争论。
52. By taking a major-related part-job， students can not only improve their academic stud
