It has been found necessary to make some cuts in the text.

已发现有必要对文章作些删节。

《柯林斯英汉双解大词典》

Hospital admission is not necessary in most cases.

大多数情况下，病人无须住院。

《牛津词典》

It is not, in principle, necessary for a biological system to age and die.

原则上来说，生物系统的衰老和死亡都不是必然的。

youdao

I did not intend to fight unless it became necessary in self-defense and in the performance of official duty.

VOA: special.2010.02.15

In my experience, decisions moved with the process of risks, mitigation like malaises When the Taliban arrived in the village, it takes 96 hours for an army commander to obtain necessary approvals to act.

以我的经验来看，决定的执行是有一定的风险的,当塔利班分子进入到村子后，一个军队指挥官要花去96个小时来获得必要的批准才能行动。

普林斯顿公开课 - 国际座谈会课程节选

And he's going to have to rectify the circumstances that made his destruction of the earth necessary in the first place.

他不得不修正,他认为有必要毁灭人类的情形。

耶鲁公开课 - 旧约导论课程节选

Even more alarming is to learn of the preparations John F Kennedy made "with a heavy heart, and in necessary fulfilment of my oath of office".

BBC: The speeches written but never given

One bi-product of any trade dispute with the United States will be that U.S. companies may face a slowdown in obtaining necessary approvals in China.

FORBES: The Currency War: Post-Seoul

In this position, I have been able to have a hand in affecting necessary change in our school district while advocating for public education and public school teachers at the local, state, and national levels.

WHITEHOUSE: Transforming Communities through Public Education