So when after some years on Broadway he entered film, aged 49, he brought profound personal knowledge of the old frontier to the western, giving the genre an uncommon realism and moral power.

49岁那年，他开始进入百老汇拍摄电影。 他将自己对西部古老边境生活的感想及个人理解带到了电影拍摄中，赋予了这一题材电影不同寻常的现实意义与道德力量。

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It aims at helping those students grasp the basic knowledge and frontier of biology for their further study and their research work.

旨在帮助非医学门类本科毕业的研究生掌握生物学相关基础知识及相关前沿进展，为今后的学习科研工作打下良好的基础。

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As new players on the technology frontier, Chinese organizations will need several years to build the requisite stock of knowledge.

作为科技前沿的新手，中国的机构将需要数年时间建立必要的知识储备。

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Renowned surgeon Atul Gawande argues that the true frontier of medicine is not knowledge, but execution that healthcare providers fail not at knowing what to do, but at doing what they know.

FORBES: Realigning Health with Care