21． For every course that he follows a student is given a grade, which is recorded, and the record is available for the student to show to prospective employers.

　　22．All this imposes a constant pressure and strain of work, but in spite of this some students still find time for great activity in student affairs.

　　23．The effective work of maintaining discipline is usually performed by students who advise the academic authorities.
 

　　译文

　　21．学生们所学的每一门课程都有分数，而且要被记录存档，这可以用来提供给将来学生的雇主们。

　　22．所有这些给学生们施加了很大的压力，尽管如此，学生们还是积极参加学生活动。

　　23．而有效遵守纪律的学生们往往是那些经常给校方提建议的学生。