If we're all--conventional economic theory says, we're all relentlessly selfish and calculating.

传统的经济学理论的观点认为,人们都唯利是图,精于算计

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Well, the traditional view is it's not for anything.

传统观点认为，它不是一切的原因。

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The most extreme critics of the traditional point of view would say over centuries, that you don't get the full-blown hoplite phalanx that I will be describing to you, even until you get the fifth century B.C.

对传统观点批判最激烈的一种观点,认为这一新型战术,是经过数百年,甚至到了公元前五世纪,才逐渐发展成熟的

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