prerogative
noun [ C usually singular ] formal uk/prɪˈrɒɡ.ə.tɪv/ us/prɪˈrɑː.ɡə.t̬ɪv/
独有的权利（或权力），特权
something that certain people are able or allowed to do or have, but is not possible or allowed for everyone
Alex makes all the big decisions - that's his prerogative as company director. 所有重大决定都是由亚历克斯作出的——这是他作为公司主管的特权。
Skiing used to be the prerogative of the rich, but now a far wider range of people do it. 滑雪过去是富人的特权，但现在更多的人都可以玩了。
the Royal Prerogative (= the special rights of the ruling king or queen) 君主特权
Synonym: privilege