This is the study of how economic activity is governed within companies, communities and other groups.

VOA: special.2009.10.16

And when these groups were set in competition against each other, the Eagles versus the Rattlers, the within-group intensity grew.

当这两队小男孩,要与另一队互相竞争时，老鹰对响尾蛇，这种群内感情开始变强烈。

耶鲁公开课 - 心理学导论课程节选

But within all of these groups is an attempted try to get down something that's so fundamental, and we just have to safeguard. I'm thinking broadly in terms of social justice criteria, others may say human dignity. There're certain things we do to safeguard others' human dignity.

但在所有这些群体中都有一种努力,在尝试着记录下最根本的东西，而我们要做的就是维护，我在广泛思考着,社会正义的标准，其他人可能会说是人的尊严，有些事情,我们会做从而维护他人的尊严。

普林斯顿公开课 - 人性课程节选

He also signed an agreement requiring all federal agencies to organize within ninety days a plan to improve communication with tribal groups about government policy decisions.

VOA: special.2009.11.13

These passionate attachments are not merely something that take place you might say between different regimes but even within them as different parties and groups with loyalties and attachments contend for power for honor and for interest.

这些热情的忠诚,不只是发生在,不同的政体之间,甚至是在政体内的不同政党与团体,依恃着忠诚与情感附属,来竞逐权力，荣耀与利益。

耶鲁公开课 - 政治哲学导论课程节选

But recent public opinion polls show him losing support within those groups and many experts say his ability to win back centrist voters could determine whether he will emerge victorious in the health care debate.

VOA: standard.2009.09.28