在2001年，研究者报道称，给予RPE65基因已经变异的叫Briard的盲狗的视网膜细胞一种有效的RPE65基因复制片断，可以改善视网膜上光感受器的功能。
In 2001, researchers reported that giving retina cells a working copy of RPE65 restored photoreceptor function in blind Briard dogs with the RPE65 mutation.
电影制片厂从DVD发售当中获得自己产品的大部分盈利，然而这个DVD会因为它数字化的天性被人们无限制地复制、再复制，而不用付出任何费用。
Film studios make the majority of revenues from DVD distribution of their productions, but that same DVD, because of its essentially digital nature, can be copied and recopied endlessly, at no cost.
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.
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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