一部文学或艺术作品，只要著作权权利保护期终止，就算进入了公有领域（public domain）。也就是常见的公共版权。使用不会侵犯作者的版权。
从今天起，咖啡印书机的制造者——按需打印图书(On Demand Books, ODB)公司将可以使用Google图书的公共版权书库。
Starting today, however, On Demand books, the makers of the Espresso book Machine, will have access to Google's vast library of public domain books.
从现有的大量电子文本网站来看，除非版权法的修订提案将许多出版物排除在公共领域之外，否则这个虚拟图书馆似乎将继续存在。
From the profusion of electronic-text sites available, it looks as if this virtual library is here to stay unless a proposed revision to copyright law takes many publications out of the public domain.
大约8%的出版销售量来自古典文学，其中包括简。奥斯丁和查尔斯·狄更斯的著作，而税收仍在增加，尽管在公共领域有很多版权。
About 8% of the publisher's sales are from its classics, including Jane Austen and Charles Dickens, and revenues are still growing, despite much of the copyright being in the public domain.
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