名词
中文翻译：非书
同义词：
['non-printed', 'non-manuscript', 'non-copyrighted']
例句：
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1. The library has a collection of non-books that are not available in the bookstore.
图书馆有一批非书籍，不在书店出售。
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2. Many people prefer to read non-books for leisure reading.
许多人喜欢阅读非书籍作为休闲阅读。
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3.The author's non-book is considered an important contribution to the field.
作者的非书籍被认为是该领域的重要贡献。