People that belong to these groups do not necessarily belong to any one social group for identification purposes; it may be only a matter of convenience.

属于这些群体的人并非必定出于认同的目的而属于任一社会群体。 这可能只是一种权宜之计而已。

Not only does oxytocin tie the members of a social group together, but it plays an important role in moderating stress and fear.

它不仅把社会群体的诸成员连接在一起，而且在调解应激和恐惧的过程中扮演重要角色。

A name by which one people or social group refers to another and by which the group so named does not refer to itself.

一个民族或社会群体用于称呼另一民族或社会群体的名称，该社会群体因此而得名，但本身并不这么称呼自己。

The private enterpriser is special social group in China, their quality and ability represent the future hope of economy development of China.

民营企业家在中国是一个特殊的社会群体，他们的素质和能力代表着中国经济发展的未来希望。

Trade Association is the social group growing up with the development of the market economy, which plays an important role in the countries of modern market economy.

行业协会是随着市场经济的发展而成长起来的社会团体组织，在现代市场经济国家中，行业协会起着重要作用。