According to a survey by giant Alibaba in 2018, the market for the second hand book was booming last year as more Chinese tend to trade or exchange their used books online.

根据巨头阿里巴巴2018年的一项调查，二手书市场在去年蓬勃发展，因为越来越多的中国人倾向于在网上交易或交换他们的二手书。

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Don't cast away used books.

别把旧书丢掉。

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Some of them could not be found even in stores that sold used books.

VOA: special.2010.01.10

I used it so that they could record all of the books that they read about Japanese culture.

我用它是为了让孩子们能记录下,他们读过的所有有关日本文化的书。

麻省理工公开课 - 媒体、教育、市场课程节选

I like Stephen King a lot. When I was younger, I used to read a lot of his books.

我非常喜欢斯蒂芬•金。我小时候看过他的许多作品。

和英文专业的朋友 - SpeakingMax英语口语达人

It is this doctrine that allows us to browse the stacks of used books and records stores.

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Sure, Amazon.com uses neighborhood booksellers to address scarcity, especially for used books, but ebooks magically eliminate such concerns.

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It had a toilet seat behind the counter and sold mostly used books.

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