C1 an accepted standard or a way of behaving or doing things that most people agree with行为准则;规范
Europe's varied cultural, political and ethical norms欧洲形形色色的文化、政治和道德准则
accepted social norms被认可的社会准则
the normC1 a situation or type of behaviour that is expected and considered to be typical常态,正常行为
One child per family is fast becoming the norm in some countries.每个家庭一个孩子在一些国家正迅速普遍起来。