题目内容：

College students in China sometimes support themselves by ___og part-time jobs.
College students in China sometimes support themselves by ___of part-time jobs.
A.ways
B.paths
c.means
D.methods
请把这几个词的意思讲解一下,谢谢!
在此means和 ways 能否替代

优质解答

C 因为有固定搭配by means of...意思是通过..的途径...way和path都是道路的意思,method是途径的意思；