standard or pattern that is typical (of a group, etc.)
a standard of behavior that is generally acceptable
"the current middle-class norm of two children per family"
"it set the norm for American homes"
Every expression of his..became a norm for the party.
出自： E. B. Pusey
In her days some kind and degree of religious belief and practice were the norm.
出自： C. S. Lewis
When group members deviate from the norms, various kinds of persuasion..are exerted in order to make them conform.
出自： M. Argyle