广播电视英语短句 第 279 课：囚徒困境-3

And the more a group punished itself, the lower its earnings. 团队中惩罚的越多，得分也越少。

The group with the most punishment earned twenty-five percent less than the group with the least punishment. 惩罚最多的团队得分是惩罚最少团队得分的25%。

The study appeared last month in the journal Science. 这项研究上个月发表在科学杂志上。

The other study involved children. It was presented last month in California at a conference on violence and abuse. 另一个研究是关于孩子们的。该研究是上个月在加利福尼亚举行的关于暴力和虐待会议中发表的。

Researchers used intelligence tests given to two groups. 研究人员对两个小组进行智力测验。