单词of necessity
na.: 必然；不得已；不可避免地
网络: 必然地；必定；无法避免地
adv.necessarilyunavoidablyautomaticallyinevitably
Over the years, out of necessity, cowboys began to invent equipment and workout new techniques for dealing with their longhorns .
几年后，出于牧牛的需要，牛仔们发明了一些装备，并且训练出一些对付长角牛的新技巧。
Eg. The doctor asked us not to call him during the night except in case of necessity.
医生吩咐我们，除非必须，否则不要在夜里叫他。
This was done largely out of necessity, as the fiber crops that were previously used for the process were experiencing a shortage.
这样做主要是出于需要，作为纤维作物，以前使用的过程中经历了短缺。
If only they would realize above all that an artist works of necessity, that he himself is only an insignificant part of the world.
要是人们能认识到最重要的是一个艺术家的必要的作品，艺术家本人只是世界无关紧要的一部分。
Be assured that of necessity you will at times have played a role as one of the dark Ones.
请确信如果有必要的话你们有时候也会扮演一个黑暗的坏角色。
New York is primarily a gateway to the big American market whereas London, out of necessity, has had to look abroad for most of its growth.
纽约首先是通向美国这一巨大市场的门户，而伦敦虽不是出于无奈，却需要通过海外市场求得发展。
The woman was very ignorant. She imagined that virtue came out of Christ by a law of necessity, without his knowledge or direct will.
这个女人是无知的，她以为从基督而来的医治可以不让祂知道，或可以不出于祂的直接意愿。
Waste and pollution management: Sources of pollution should be identified and appropriate actions have to be taken in case of necessity .
废物污染管理应签定污染源，必要时采取适当的措施。
Out of necessity: He began painting after losing his sight freshman year in college, a result of a lifetime battle with epilepsy.
事出必然：由于毕生与癫痫的斗争，他在大学一年级失明，随后开始绘画。
Films featuring children were born out of necessity to tell stories in an environment governed by the Islamic Code.
电影起用儿童当演员是因为（导演）必须在伊斯兰教规统治的大环境下讲故事。