买旧书
Buy used books
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我只买旧书。
I only buy used books.
youdao
我跟大多数大学生一样，买旧书时就指望着书中的重点已经被人标出。
Like a lot of college students, I bought used books hoping someone would have already underlined the important stuff.
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