Rather than a history of inventions, Mr Rosen’s book is a study of invention itself, the process of tinkering with an existing mechanism to make it better.

罗森先生的书不是一部关于各种发明的历史，而是对于发明本身——即拿现有的机制做实验并使之改善的过程——的研究。

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We summarize here the new logic of enterprise as the knowledge and learning based, compare it with the mountains forming campaign appeared in the geological history, and make a frame study of it.

本文将这一新逻辑概括为以知识和学习为基础，并以地质史上的“造山运动”作比，对新企业观进行了全面框架性的研究。

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Somebody someday will make a study of the influence of animals on history.

总有一天会有人去研究动物对历史的影响。

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However, authors of the study indicate that a double mastectomy may make sense for women with a strong family history of breast or ovarian cancer, or for women who've tested positive for genetic mutations in the BRCA genes.

CNN: Why more women are choosing double mastectomies