These groups are not necessarily formal organizations (although they can be), and you probably have a number of different reference groups, perhaps even one for each major facet of your life.

• 这些参照体不必是正式的组织(当然它们也可以是正式的组织)，而你也可能有相当多的不同的参照体，也许你生活中的每个重要的方面都有一个这样的参照体。