It's really been a powerful tool in molecular biology because I might have a very small copy of a gene that I'm interested in and I can make enough copies that I can start to do something else with it.

这确实是分子生物学的一项利器,因为我可能只有,很少量的感兴趣的基因拷贝,而我可以马上制造出足够数量的复制品,能使我用作其他用途

耶鲁公开课 - 生物医学工程探索课程节选

As they would also like to make such they start to copy what that first firm or investor is doing.

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Start in the copy room or, perhaps better yet, the kitchen.

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And start-ups freely copy other people ideas and try to improve on them.

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