美国西南地区考古学的主要问题是：为什么这么多不俗的定居点，甚至整个西南地区，都在史前时代被遗弃了呢？

Major question in the archaeology of the southwestern region of the United States is why so many impressive settlements, and even entire regions, were abandoned in prehistoric times.

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美国西南地区考古的一个主要问题是，为什么这么多令人印象深刻的定居点，甚至整个地区，在史前时代就被废弃了。

A major question in the archaeology of the southwestern region of the United States is why so many impressive settlements, and even entire regions, were abandoned in prehistoric times.

youdao

莱文说：“我明白这一点。”但是，我就是要问你一个直接的问题。

LEVIN: "I understand, but I'm just asking you a direct question."

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They're plainly interrelated in a variety of ways, but it's more to the question of determinism I want to return today.

在很多方面他们都相互联系，但是今天我要多谈点有关决定论的问题。

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Third, I'd like to answer these questions from sound points of view and tell you a little bit about what we are doing and how we are doing it.

第三，我想对这些问题,给出合理的答案,并讲点我们,要做的事及完成的方式。

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