最好他们能够说，实在没有什么证据。
As best they could tell, there really wasn't much evidence at all.
近年来还发现了一些实实在在的生物学证据。
Real biological evidence has also been found in recent years.
但是考古学家们确实在此找到了供人们使用的工具存在的证据，它们找到的工具包括石锤和石刀。
The archaeologists did find evidence of tool use, including stone hammers and blades.
但研究团队在找寻更实在的证据。
但研究团队在找寻更实在的证据。
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