这个研究发现惩罚行为的使用与减少个体盈利有很强的相关性，并且在总体上不会给整个群体带来好处。

The study found that the use of punitive behavior correlates strongly with reduced individual payoff, and bestows no benefit on the group as a whole.

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相反的，他说，“是一种模式，就像上千条线组成的条形码一样，”这使得研究人员能够分别群体中细微的相关之处。

Instead, he said, "it is a pattern, like a bar code with thousands of lines on it," that allows researchers to tease apart the fine points of relatedness among populations.

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作为社会关怀的焦点和学术研究的热门，有关工人群体及其相关的社会运动题目研究，已日益受到学界的重视。

As a focus of the society and hotspot of academic research, the related groups of workers and social movement issues have been paid more and more academic attention.

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