（如国家，官员，家庭或组织的）徽章 insignificant chatter无意义的闲聊 Insincere or hypocritical.不真诚的，虚伪的 .
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The differences between most of the groups were statistically insignificant; however, the participants in the 70 decibels group—those exposed to a level of noise similar to background chatter in a coffee shop—significantly outperformed the other groups.
大多数组彼此之间的差别在统计上并不明显；然而，70分贝组的参与者——那些被置于类似咖啡店背景谈话声的噪音水平中的参与者——其表现明显好于其他组。
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