Third, primary groups are fundamental because they serve as powerful instruments for social control.

第三，初级群体是基础，因为他们是社会控制的有力工具。

youdao

Primary groups are fundamental to us and to society.

初级群体对于我们和社会起基础性作用。

youdao

Primary groups are fundamental to us and to society.

初级群体对于我们和社会起基础性作用。

youdao