needed与necessary有什么区别

来源：学生作业学帮网编辑：学帮网时间：2024/05/31 06:05:15

needed是need的过去时,楼主是想说need和necessary的区别吧.
need表示需求,而necessary表示必要性,二者在意思上是不同的.
例如：There's no need for a new teacher.我们不需要一名新老师.
There's no necessary for you to do so.你没必要这样做.

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