Norm
规范
The general sense of this term is used in linguistics to refer to a standard practice in speech or writing. The “norm” in question may apply to groups of varying size within a speech community, or to the community as a whole.
按其一般涵义用于语言学,指言语或书写的标准做法。“规范”可适用于言语社会里大小不等的群体,或适用于整个社会。