Cave paintings suggest that by 40,000 years ago, Paleolithic Period, Cro-Magnon had developed a sophisticated culture; some authors equate this to the appearance of complex spoken language.
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- 石洞壁画建议,在40,000年以前前Cro Magnon,Paleolithic期间,开发了老练文化;一些作者视同这对复杂讲话的语言出现。