1. 普通版图书：trade board 劳资协商会 | trade book 普通版图书 | trade deficit 贸易逆差
2. 普及版图书：topical survey, subject survey 专题述评 | trade book 普及版图书 | trade edition 普通版
1. This was the biggest ever copyright trade for China at the annual Frankfurt fair, the world's biggest book gala.
2. All this both delights and worries many critics and insiders in the Chinese book publishing trade.
3. Guo said China's trade deficit in book copyrights narrowed year by year.
4. The fair will focus on the book trade and boosting industry collaboration.
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5. Only foreign trade bureaux have the right to book stalls for domestic companies, she added.