describes a word or phrase, or sometimes an idea , that is unnecessary or has been used several times
发音
例句
1. It was an otiose round of meetings. 这是一轮没有用的会议。 2. Their policies are otiose, since there are better ways to help the poor, such as direct cash transfers. 政府的政策都是多余的,因为还有别的更好的方法可以帮助穷人,如直接拨款。