眼下他正要再证实一回。

Now he was proving it again.

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他说：“化石记录一再证实现代胎盘类哺乳动物的起源是在白垩纪-早第三纪分界点的时候或那之后。

“The fossil record continues to show that the origin of modern placental mammals postdates or is at the Cretaceous-Paleogene boundary, ” he said.

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研究已经证实了这一点，比如说上世纪70年代的一项研究发现，在足球比赛当中大部分人都有一个或更多的朋友参与比赛，之后的研究也一再重复了这一发现。

Research confirms this, for example one study from the 70s found that most people at a football match were with one or more friends. Later research has repeated this finding.

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