There had never been any necessity for her to go out to work.
她从来就没有出去工作的必要。
As soon as the necessity for action is over the troops must be withdrawn.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。
We recognize the necessity for a written agreement.
我们认为有必要签订一份书面协议。
Necessity for survival of trauma.
在精神创伤下幸存的必须。
There is, however, no necessity for this.
然而，你并不需要这样。
It is a necessity for human beings to survive.
它是人类幸存的必需品。
However, is it a necessity for their study?
然而，这是学习的必需品吗？
However, is it a necessity for their study?
但是，电脑真的是学习必需品吗？
He urged the necessity for immediate action.
他极力主张马上采取必要的行动。
A direct Internet connection is necessity for you.
但直接和因特网连接是必要的。
So work is more than a necessity for most human beings.
所以对大多数人来说，工作不只是一种需要。
The ability to speak in public is a necessity for leader.
领导人必须具有当众讲话的能力。
Life is less a miracle than a necessity for matter and energy.
生命与其说是一个奇迹，不如说是物质与能量的必然。
My school is very big, so the school bus is the necessity for us.
我的学校非常大，所以校车成了我们的必需品。
The necessity for China to do research on this field is presented.
最后论述了在我国开展此项研究的必要性。
The most obvious is the necessity for increased reflow temperature.
最明显的是，使用无铅锡膏必须提高回流焊温度。
We have spoken before about the necessity for energy to be balanced.
我们之前说过保持能量平衡的必要性。
The necessity for the additional establishment of internal institution;
增设机构的必要性；
However, cell phones have become a necessity for most people in modern society.
然而，手机俨然成为现代社会多数人的必需品。
This environment, I believe, is based upon the necessity for security and friendship.
营造这个环境，我相信，是以安全和友谊为必要前提的。
Part 2, the necessity for our county to establish the joint negligence crime theory.
第二部分论证我国确立共同过失犯罪的必要性。
This environment, I believe, is based upon the necessity for security and friendship.
这样的环境是以可靠和友谊为基础的。
With the recent global competition, it is a necessity for us to improve our language.
为了应对现在的国际竞争，我们非常需要提高自己的英语水平。
With the recent global competition, it is a necessity for us to improve our language.
为了应对现在的国际竞争，我们非常需要提高自己的英语水平。
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