In ten years, the nonprofit group says its book exchanges have been set up in 85 countries.
该组织表示，十年来，他们交易已经在85个国家设立了免费小型图书馆。
Book exchange
原声例句
VOA常速英语_美洲
VOA常速英语_美洲
It promotes free book exchanges where a couple of shelves are set up so people can contribute and borrow books.
它促进了免费的图书交换，在交换处设立了几个书架，这样人们就可以捐书和借书。
中文百科
换书阅读 Book swapping
（重定向自Book exchange）
换书阅读，是爱读书的人自愿参加的一个读书活动，依托信任机制，进行读书互动，把自己喜欢的书与别人交换着阅读。以实现读书和分享的共同乐趣。
换书阅读的前提：
- 兴趣为起始点
- 信任为基础点
- 沟通为促进点
- 分享为价值点
- 心灵为关注点
换书阅读的意义：
- 爱读书的人聚在一起分享读书的感悟和乐趣
- 吸引有意愿读书的人一起读书培养兴趣
- 创造相互督促的读书环境促进读书共同进步
- 创造社交和交流机会认识更多有共同点的朋友
英语百科
Book swapping 换书阅读
（重定向自Book exchange）
Book swapping or book exchange is the practice of a swap of books between one person and another. Practiced among book groups, friends and colleagues at work, it provides an inexpensive way for people to exchange books, find out about new books and obtain a new book to read without having to pay. Because swaps occur between individuals, without central distribution or warehousing, and without the copyright owner making a profit, the practice has been compared to peer-to-peer (P2P) systems such as BitTorrent—except that hard-copy original analog objects are exchanged.
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