sine qua non

noun

1. 必要条件
   something that is essential before you can achieve sth else

1. N-SING 必要条件;先决条件;必不可少的事物
   A sine qua non is something that is essential if you want to achieve a particular thing.
   1. Successful agricultural reform is also a sine qua non of Mexico's modernisation.
      成功的农业改革也是墨西哥实现现代化的必要条件。

1. Successful agricultural reform is also a sine qua non of Mexico's modernisation.
   成功的农业改革也是墨西哥实现现代化的必要条件。
2. The perfect cake is the sine qua non of the carefully planned modern wedding ( J.M.Hilary)
   一个完美的蛋糕在一个精心筹划的现代婚礼中是必不可少的（J.M。希拉里）
3. You could say that the very sine qua non of UNIX and Linux programming is writing code to deal with files.
   您可以认为，UNIX和Linux编程实际上是编写处理各种文件的代码。
4. This linear path was the yuppie sine qua non, the mark of a serious person who climbed the ladder.
   这种线性通道为雅皮士的必经之路，是攀爬经济阶梯的正经人士的一大标志。
5. Economics was always her priority: National solvency is not so much an objective as conditio sine qua non for the attainment of any objectives.
   经济永远是她优先考虑的事项：国家偿付能力与其说是一个目标，倒不如说是实现其它任何目标的先决条件。
6. Patience is a sine qua non for a good teacher.
   做个优秀教师必不可少的条件是要有耐心。
7. Sugar is a sine qua non ingredient in any kind of cake.
   任何糕点中，糖都是不可缺少的原料。
8. He soon found that freedom from fear of arrest was not the sine qua non of his existence.
   他很快就发现，消除对被捕的恐惧，并不是他生存的必要条件。
9. Agreement by the management is a sine qua non of all employment contract. A conditional acceptance is not an effective acceptance unless the offeror agrees to the condition.
   管理部门的同意就是所有雇用合同的必要条件。有条件的承诺是无效的承诺，除非要约人对所附条件同意。
10. A transatlantic free trade agreement would require painful concessions on both sides, but the sine qua non is a European willingness to tackle agricultural subsidies.
    一项跨大西洋自由贸易协定需要双方都做出痛苦让步，但一个必不可少的条件是欧洲愿意解决农业补贴问题。
11. In the art of puBlic speaking, clear diction is a sine qua non.
    在演讲术中，措辞清晰是必不可少的。
12. All this, he writes," began with water, the sine qua non of any civilization. "
    他写道，所有这些，“来源于水，水是任何文明产生的必不可少的条件。”
13. An interest in children is a sine qua non of teaching.
    对儿童关心的是当教师的必要前提。
14. Gaining information superiority will not be a convenient add-on to tactical warfare, but will be the sine qua non of defeating the enemy.
    收集情报的优先权不再是战术行动级的辅助手段，而应该是击败敌人的先决条件。
15. And quite frankly, I think that such civility is the sine qua non of conducting the affairs of the court and the business of the country.
    而且相当坦白地说，我认为这样的文明礼仪，是指导我们司法行事和处理国家事务所必不可少的因素。
16. Good governance is today considered the sine qua non for sustainable development and social justice.
    今天，善治被看成是可持续发展和社会公平的基本条件。
17. A sense of humour is a sine qua non for a job in our offiee!
    对于我们办公室的工作来说，幽默感是必备素质！
18. The observance of research ethics is a sine qua non for every social survey.
    任何社会调查都要贯彻研究伦理，这是一种刚性的要求。
19. Direct competition is not the sine qua non of trademark infringement; rather the gist of the trademark action lies in the likelihood of confusion to the public.
    直接竞争不是商标侵权的必要条件，商标侵权诉讼的主因更多地基于给公众造成混淆的可能性。
20. Research shows that nicotine is a sine qua non of tobacco addiction and that it produces the hallmark effects of addictive drugs.
    研究表明，尼古丁不仅是烟草成瘾的一个要素，而且它能产生同成瘾性药物一样的效应。
21. Economic justice is the basic platform, moral justice the value basis, and political and legal justice the sine qua non.
    政治、法律公正是公正的必要条件，经济公正是公正的基础性平台，道德公正是公正的价值基础。
22. Although big roof, incline plane, long overhang eaves and high rake angle are characteristics of Chinese ancient palatial architecture, the lips and beasts are parts sine qua non in roof decoration.
    大屋顶、斜坡面、深出檐、高翘角是中国古代宫殿建筑的特点，而脊吻、走兽又是屋顶装饰不可缺少的部件。
23. The conservation law of charge is taken here as a sine qua non so that the equation can have the unique solution.
    文章在此将电荷守恒定律作为必要条件引入，使得方程具有唯一确定的解。
24. Drug control is sine qua non method to eliminate inflammation, block up frontal resorption and promote osteanagenesis.
    应用药物控制炎症、阻断牙槽骨吸收和促进骨再生是不可缺少的一种治疗方法。

noun

1. a prerequisite

   Synonym:    essential condition