necessity

/nəˈsesəti/📚 3982 2四级六级考研托福
The necessity of something is the fact that it must happen or exist. 必要性

noun [抽象名词]必需品,必需的事物;必要,需要;必然性,不可避免的情况

here is agreement on the necessity of reforms.
关于改革的必要性有一致意见。

necessity 出现在下面的课文中(提供视频、音频及笔记等可系统性学习)
Lesson 16 The modern city
Lesson 31 The sculptor speaks
Lesson 33 Education
来自necessary(a. 必需的, 必要的)
单词造句:
网友用“Necessity”造句精选
There is agreement on the necessity of reforms. 关于改革的必要性有一致意见。
As soon as the necessity for action is over the troops must be withdrawn. 一旦军事行动的必要性不复存在,部队必须撤离。
...large families where children, of necessity, shared a bed. …孩子们必定共睡一张床的大型家庭。
The president pleaded that strong rule from the centre was a necessity. 总统争辩说来自中央的强有力的统治是一种必然。
We were discussing the necessity of employing more staff. 我们在讨论是否需要雇用更多员工。
Limousines and perfume are luxuries whereas clothing, food, shelter and transportation are basic necessities of daily life. 豪华轿车和香水属于奢侈品,而衣物、食物、住所和交通则是日常生活的基本必需品。