Necessity
01
必要性, 必需
the fact that something must happen or is needed
语法信息
有生性状态
抽象
形态构成
复合词
可数
复数形式
necessities
例子
In many jobs, having a reliable internet connection is a necessity for performing daily tasks effectively.
在许多工作中，拥有可靠的互联网连接是有效执行日常任务的必要性。
02
必需品, 必要性
a thing that is essential or required for basic living or functioning
例子
Oxygen is a necessity for human life.
氧气是人类生活的必需品。
