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Certainly the first true humans were unique by virtue of their large brains. It was because the human brain is so large when compared with that of a chimpanzee that paleontologists for years hunted for a half-ape, half-human skeleton that would provide a fossil link between the human and the ape.
当然，第一个真正的人类是独一无二的，因为他们有巨大的大脑。正是因为人类的大脑与黑猩猩的大脑相比是如此之大，古生物学家们多年来一直在寻找半猿半人的骨骼，以便在人类和猿之间找到化石上的联系。