Then, about 7000 B.C., within the space of a few generations, they switched abruptly to herding domesticated goats and sheep and to growing einkorn, pulses, and other cereal grasses.

后来，大约在公元前7000年，在几代人的时间里，他们突然转向放牧家养的山羊和绵羊，转而种植单粒小麦、豆类和其他谷类牧草。

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This is where we started, because in space you cannot take a cattle, God knows a sheep, two chickens, and God knows what?

这就是我们开始的地方，因为在太空中你不可能带着家畜，上帝知道一只羊，两只鸡，上帝知道啥？

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