| 单词 | necessity |
| 释义 | Word family noun necessity the necessaries the necessary adjective necessary ≠ unnecessary verb necessitate adverb necessarily ≠ unnecessarily ne·ces·si·ty /nəˈsesəti/ ●●○ noun (plural necessities) 1 NEED[countable] something that you need to have in order to live 必需品 OPP luxury She saw books as a necessity, not a luxury. 她视书籍为必需品而非奢侈品。 A car is an absolute necessity if you live in the country. 你要是住在乡下，绝对需要有辆汽车。the basic/bare necessities A lot of families cannot even afford to buy the basic necessities of life. 很多家庭甚至买不起基本的生活必需品。2 NEED[uncountable] when something is necessary 必要；需要necessity for He emphasized the necessity for good planning and management. 他强调了做好规划和管理的必要。the necessity of (doing) something This illustrates the necessity of keeping accurate records of your work. 这说明有必要准确记录你的工作情况。 Many teachers are now questioning the necessity of formal exams. 现在许多老师都在质疑正式考试的必要性。through/out of necessity He only remained with the group out of necessity. 他只是出于需要才留在那个小组。economic/practical/political etc necessity 经济/实际/政治等需要 I’m afraid it’s become a matter of economic necessity. 恐怕这已成了一个经济需求的问题。3 MUST[countable] something that must happen, even if it is unpleasant 无奈的事物；不好却必要的东西 Taxes are a regrettable necessity. 税收是令人遗憾的无奈之举。4 of necessity formal used when something happens in a particular way because that is the only possible way it can happen 势必，必定 Many of the jobs are, of necessity, temporary. 有许多工作岗位势必是临时性的。5. necessity is the mother of invention used to say that if someone really needs to do something, they will find a way of doing it 需求乃发明之母Examples from the Corpusnecessity• I would say that TV has become more a necessity than a luxury, wouldn't you?• A car is an absolute necessity in this town.• For several years, the family was forced to make do with just the bare necessities.• Even basic necessities such as pencils and paper were lacking in the school.• Ultimately a growing population of families unable to meet the basic necessities of life invites uncontainable crime and disease.• The decision to sell the car was fueled by necessity.• In the longer term, that particular barrier is likely to disappear through sheer economic necessity on the part of business.• Economic necessity or opportunity often forces them to make decisions that favor a particular constituency over its counterparts.• Protests were countered by claims of the objective necessity of maintaining financial security.• It will itself exist of necessity, and it will necessarily contain all possibilities in itself.• Of necessity two different ways of measuring the same thing must come to the same conclusion.• The court held that necessity was a defence to the claim in trespass and nuisance.• A list made beforehand and ticked off should obviate the necessity for this though.absolute necessity• Supplies of liquid helium are an absolute necessity in many modern science laboratories.• Artificial light is an absolute necessity for the developments of plants.• Careful searching of the literature is an absolute necessity in the preparation of any study and solution to problems.• This is an absolute necessity and to work in defiance of it means total failure.• There are two infestations that are commonly transmitted in this way although there is no absolute necessity for this mode of transmission.• Design, development and management have in common the absolute necessity of taking action based on incomplete information.• White gloves and a pillbox hat were absolute necessities.necessity for• There is no real necessity for more parking.Origin necessity (1300-1400) French necessité, from Latin necessitas, from necesse; → NECESSARYne·ces·si·ty nounChineseSyllable something you need Corpus in to have that |
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