Man was defined as a rational being, as a social animal, an animal that can make tools, or a symbol-making animal.

人类被定义为一种理性的存在，一种群居动物，一种可以制造工具的动物，或者一种制造符号的动物。

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Man is a rational being.

人是有理性的生物。

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"My husband is a perfectly rational being," she said.

“我丈夫是个非常讲求理性的人，”她说。

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"I think many of these Arab leaders are deeply, hopelessly corrupt and incapable of being moved by rational persuasive arguments.

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And the way you act and the way you think are products, not of a singular rational being, but of a set of conflicting creatures.

你的行为模式与你的思维方式，并不是单一理性存在的产物，而是一系列冲突事件的产物。

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Because we've just sat in lecture and you've told us we're not being rational if we pick a high number.

因为我们刚刚上过课,你告诉我们选大数的人是不理性的

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Man, by nature is a conscious, rational being.

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But the behavioural school of economics has long argued that investors are not rational, being subject to a whole range of emotional biases.

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That's what any parent, I think, would say, and any rational human being would say, there's no lurches one way or the other, it's just common-sense really.

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