However, I no longer think that there was ever a single small population of humans in one region of Africa from whom we are all uniquely descended.
然而,我不再认为在非洲的一个地区曾经有过单独一小群人,我们都是他们唯一的后裔。
So this one is so uniquely pervasive, let's just really explicitly write it all out.
所以这个是非常有说服力的,我们把它写下来,考虑某个过程以及。
They were uniquely Japanese until pretty much the nineteenth century and then they were copied all over the world and are now very important.
直到19世纪它们,还是日本独有的,后来被全世界效仿,现今它们已经非常重要
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