《心理科学》一项最新研究表明，人类生来就有消除不确定性的需求。
Humans have an inherent need to resolve uncertainty, according to a recent study in psychological science.
所有关于科学上的不确定性为延迟重要决策提供了一个合适的可原谅理由。
All too often uncertainty in science offers a convenient excuse for delaying important decisions.
但是，在数据有限并在科学方面存在相当大的不确定性时，这也产生了对建议和鼓励的需求。
But it also creates a demand for advice and reassurance in the midst of limited data and considerable scientific uncertainty.
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