这资料不受版权保护。

The information has been placed in the public domain.

《牛津词典》

这些书籍大多都在你的高校英语课程阅读单上，因为它们不受版权保护，所以它们更容易被发表出版。

These titles, which, include much of your high school English reading list, are easier to publish because they aren’t protected by copyright.

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好莱坞的制片人赞成在海外严格执行版权保护，因为大片复制不受管制，会影响他们的收益。

Hollywood producers advocate for stronger enforcement of copyright overseas because the uncontrolled duplication of hit movies undercuts their profits.

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