Secondary groups, however, are the reverse.

然而，次要群体则相反。

But it also helps you differentiate kinds of groups, specifically between primary and secondary groups.

但它也可以帮助您区分不同的群体，特别是主要群体和次要群体。

In fact, secondary groups can become primary groups over time, as a set of coworkers spends time together and becomes a primary group of friends.

事实上，随着时间的推移，次要群体可以成为主要群体，因为一群同事花时间在一起并成为主要的朋友群体。