Although for almost all courses a certain number of textbooks must be purchased, other books prescribed on the course syllabus need not be purchased, as they will be found in the university library.

• 虽然差不多每门课程都要买一定数量的教科书，但是课程表上所开的其他书籍是不必买的，因为在学校图书馆里可以找到。