exclusivity
noun [uncountable]the fact of being of a high quality and expensive and therefore not often bought or used by most people 排他性；专有权；独特性 the practice in a group or society of not allowing other people from different groups to become members or be included 排他性；专有权；独特性 The club has been criticized for its exclusivity and elitism. 该俱乐部因其排他性和精英主义而受到批评。