It's determined by the laws of nature that the effect that follows will follow from that cause.

自然法则决定了,这个结果必然跟随这个原因产生

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So what follows, in one sense, that when Aristotle says that man is by nature a political animal and the city is by nature, the city can never be a universal state.

这响应了，亚里士多德所说,人类天生是政治动物,而城市是自然的演变，城市永远不能是一座万国之城。

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