•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，但现在有更多人可以玩了。