every one has his or her own ideas为什么加s every one has his or

idea 英音：[ai'diə] 美音：[aɪ'diə]
idea
名词 n.
1.主意;打算;计划[C][(+of)][+to-v][+that]
He hit upon the good idea of spending the weekend in the nearby holiday camp.
他想到去附近度假营过周末这个好主意.
He is full of ideas.
他主意很多.
2.构想;概念[C][U][(+of)]
Have you any idea of what he is up to?
你知道他想干什么吗?
3.了解,明白[C][(+of)][+wh-]
I have no idea what to do.
我不知道该怎么办.
Jimmie had but a vague idea of world conditions now.
吉米对当今世界情况只有一点模糊的了解.
4.臆测;推量[C][+(that)]
I've an idea that he'll soon quit the job.
我猜想他不久就要辞掉这工作.
5.意见,见解;信念[(+about/on)][+that]
That at least is my idea about friendship.
至少那是我对友谊的理解.
6.思想;观念[C][U]
He destroyed feudal ideas in literature.
他摧毁了文学中的封建思想.
它本身可以是可数的

idea 不止一个