“实际上只要你仔细检查这些化石，或者是现存的非人类的灵长类动物，就可以发现这是错的，”他解释道。
"In fact, when you really examine the fossil and living non-human primate evidence, that is just not the case," he explained.
如果现存的狩猎者-采集者还是像古代那样，那么这些关于他们社会模式的新数据对早期人类进化有重大意义。
If living hunter-gatherers are typical of ancient ones, the new data about their social pattern has considerable bearing on early human evolution.
这种鲨鱼状的动物属于神秘的银蛟类。 银蛟可能是现存最古老的鱼类之一，人类对它的研究少之又少。
The shark-like animal belongs to the mysterious and little-studied chimaeras, perhaps the oldest group of fish alive today.
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