诚信是发展的关键。

Credibility holds the key to development.

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从广义上来说，创新是所有经济发展的关键因素——它使得国家经济增长更快，公司产品更有竞争力，个人事业更光明顺遂。

Innovation, broadly defined, is the crucial ingredient in all economic progress—higher growth for nations, more competitive products for companies, and more prosperous careers for individuals.

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对立的观点则认为，教育是儿童全面发展的关键。

The counter argument suggests that education is the key for the all-round development of children.

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Middle east oil is critical to the rise of India and China, and in that sense it's very much part of the economic process.

中东石油,对于中印的崛起非常关键，因此它是东南亚经济发展的,重大保障。

普林斯顿公开课 - 国际座谈会课程节选

Now last time, following Ricoeur, I mentioned Marx, Nietzsche and Freud as key figures in the sort of secondary development that somehow inaugurates theory, and then I added Darwin.

上次继里克尔之后，我提到了马克思，尼采和弗洛伊德,把他们作为推动初始理论进一步发展的关键人物，之后我加上了达尔文。

耶鲁公开课 - 文学理论导论课程节选