necessity

复数：necessities

1. [U]必要(性); (迫切)需要 circumstances that force one to do sth; state of being necessary
2. [C]必需品 necessary thing
3. [S]自然规律 natural law that is seen as governing human action

• accept〔deny, ignore, see〕 the necessity of承认〔否认,忽视,看到〕…的必要性
• buy the -ties of life购买生活必需品
• feel the necessity of感到有…的必要
• meet necessity满足需要
• provide -ties of existence提供生活必需品
• realize the necessity of意识到…的必要性
• relieve a necessity解决某一需要
• supply -ties提供必需品

• absolute necessity绝对必要
• basic〔physiological, urgent〕 necessity基本〔生理,迫切〕需要
• daily -ties日用品
• economic〔political〕 necessity经济〔政治〕上的需要
• historical〔logical〕 necessity历史〔逻辑〕的必然性
• household -ties家庭必需品
• military -ties军需品
• moral necessity伦理〔道德〕的需要
• scientific necessity科学上的需要,符合科学的必然性

• by necessity不得已
• from necessity由于必要
• in necessity在贫困中,陷于穷困
• of necessity必然地,必定,不得已,不可避免地
• in case of necessity除非必要
• out of sheer necessity出于不得已
• under the necessity of doing sth不得已而做某事,有做某事的必要

• necessity for需要…
• necessity of the times时代的需要
• -ties of existence〔life〕生活必需品

of necessity必然地；不可避免地

out of necessity出于需要，必定

by necessity不得已；必然地，不可避免地

logical necessity必然性，逻辑的必然性

1. Necessity is the mother of invention.
   需要是发明之母。
2. Want and necessity break faiths and oaths.
   匮乏和需要可以打破信仰和誓言。
3. Water is of vital necessity in the desert.
   在沙漠地区水是维持生命的必需品。
4. Food is a necessity, but wine is an extravagance.
   食物是必需品,而酒则是奢侈品。
5. The necessity for making decisions devolves on him.
   作出决策乃当务之急，此事必然地落在他身上。
6. That men would die was a matter of necessity; which men would die, though, was a matter of circumstance.
   人总有一死，这是必然的事，不过哪些人死，这是偶然的事。