这个无名人士让人类的发展跨出了历史性的一步，因为正是在那一年，人类在其历史上第一次成为主要的城市物种。

This nameless person pushed the human race over a historic threshold, for it was in that year that mankind became, for the first time in its history, a predominantly urban species.

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互联网的兴起是人类历史上最具变革性的发展之一，其影响堪比印刷机和电报的发明。

The rise of the Internet has been one of the most transformative developments in human history, comparable in impact to the invention of the printing press and the telegraph.

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“通过经典，我们可以看到现代中国的基础。”田说，“无论人类历史如何发展，它们仍然对我们有很大的影响。”

"Through the classics, we can see the foundations of modern China." said Tian, "No matter how the human history has developed, they still have a great influence on us.

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And in many ways, we can understand human intellectual history just based on this idea: ? should we accept human nature?

在很多方面，我们能理解人类智力发展历史,仅仅基于这个观点：,应不应该接受人类本性？

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Here it is not just the venerability of slavery, how old it is, but it's the idea that it has been crucial to the development of all great civilizations.

不仅仅讨论奴隶制的庄严性与历史由来,更是它曾经对人类文明的发展,起过至关重要的作用

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