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A river ran through it

机译:一条河流冲过它

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The "Out of Africa" model of humanity's spread is now about as well established as anything can be which attempt to describe what happened 60,000 years ago. Human beings, it posits, evolved on that continent some 200,000 years in the past and then, millennia later, a band of intrepid migrants crossed the straits of Bab el Mandeb into what is now Yemen to colonise the rest of the planet. This does not, though, explain how Africa itself was colonised-in particular, how people crossed from the sub-Saharan part of the continent, where the evidence suggests Homo sapiens originated, to its northern fringes. That happened much earlier, around 125,000 years ago.
机译:现在,人类传播的“走出非洲”模式已经建立起来了,它可以尽力描述6万年前发生的一切。它假设人类在过去20万年在该大陆上进化,然后在数千年后,一群无畏的移民越过Bab el Mandeb海峡进入现在的也门,以殖民地球的其余部分。但是,这并不能解释非洲本身是如何被殖民的,特别是人们如何从该大陆的撒哈拉以南地区穿越那里,该证据表明智人起源于该地区的北部边缘。那件事发生得更早了,大约在125,000年前。

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    《The economist》 |2014年第8867期|117-118|共2页
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