His own earlier research in a Greek population provided weak evidence in favor of the nap hypothesis, but another, larger study, conducted in Costa Rica failed to show an association.
他自己在希腊人群中进行的前期研究给出了微弱的证据支持午睡设想，但是另外一个在哥斯达黎加人中进行的大型研究没有显示两者有联系。
Hydraulic technology possessed in comparable advantage, but it had weak in another hand.
液压传动技术有其不可比拟的优点，但又有它脆弱的一面。
All things better prepare for the worst, in fact from one another way to help the pessimist nurturance unremitting patterns of behavior, let them life seems weak, but involving fortitude.
凡事做好最坏的打算，事实上是从一个另外的角度帮助悲观者养成坚持不懈的行为模式，让他们的生命看似柔弱，实则坚韧。
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