Perhaps the most striking sign of mobility is the fact that by the third millennium B.C., most pastoralists in this huge region spoke related languages ancestral to the modern Indo-European languages.

可能在人口流动性方面最具说服力的标志是，公元前3000年，在这片广袤的土地上大部分牧民讲的相关语言，现代印欧语系就从中发展而来。

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Males gained entry to the business of recording, defining and interpreting events in the third millennium B.C.

在公元前3000年，男性开始从事记录、定义和解释事件的工作。

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In fact, quite possibly the only thing we can say for sure is that they'll be discussing the issues in one common universal language. And that will be the language of the third millennium.

实际上，我们唯一敢肯定的事情是，他们将用一种共通的世界语讨论事务，这就是第三个一千年的语言。

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In fact, quite possibly the only thing we can say for sure is that they'll be discussing the issues in one common universal language. And that will be the language of the third millennium.

实际上，我们唯一敢肯定的事情是，他们将用一种共通的世界语讨论事务，这就是第三个一千年的语言。

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