From these studies, scientists have concluded that the surface of the primitive Earth was covered with oceans containing the molecules fundamental to life.
从这些研究中，科学家们得出结论，海洋覆盖着原始地球的表面，其中含有构成生命的基本分子。
After adjusting the official figures for these two factors, several studies earlier this decade concluded that the true unemployment rate was above 10%-and might be even as high as 20%.
本世纪早些时候的几份研究推断：在根据这两个因素调整官方数据后，真实的失业率高于10%——甚至高达20%。
These findings mirror results from previous studies which concluded that moderate alcohol consumption could be beneficial to bones, "she said."
她说：“这些发现反映了之前的研究成果，即适度饮酒才会有助于骨骼健康。”
Sleep studies haven't yet concluded whether there are benefits to these brief intervals, like when you nod off on someone's shoulder on the train.
短的就像你在火车上不小心靠着别人的肩头打了个小盹，睡眠研究对如此简短的盹是否对人体有好处尚未定论。
But several studies have concluded that many of these do-it-yourself techniques are baseless.
但是许多研究已经证实这些自己进行练习的技术是没有根据的。
But several studies have concluded that many of these do-it-yourself techniques are baseless.
但是许多研究已经证实这些自己进行练习的技术是没有根据的。
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