必不可少

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This information would be essential to answer your question correctly.

这一信息是必不可少的，正确回答你的问题。

I have done this job for twenty years so it's essential to be consistent.

我已经打了20年的门将，连续比赛是必不可少的。

It mediates many physiological functions and is believed to be essential for maintaining a healthy immune system.

它介导许多生理功能，并相信是必不可少的，保持一个健康的免疫系统。

We consider certain fundamental values to be essential to international relations in the twenty-first century.

我们认为某些基本价值对二十一世纪的国际关系是必不可少的。

But to be private is the indispensable prerequisite for deepening the understanding of oneself and bringing out one's personality.

但是，寂寞却是深刻认识自我、凸现个性的必不可少的前提。

Though not available in every hotel chain, a business/office center can be indispensable for on-the-road workers.

即使不是每个连锁酒店里都提供网络服务，商务中心对每个出差的职场人士来说也是必不可少的。

Although it remains a very attractive field of pure mathematics, it has also proven to be an indispensable and powerful tool for physicists, engineers and economists involved in research and development, for helping them understand their subject in depth.

虽然这仍然是一个纯数学非常有吸引力的领域，它也被证明是一个物理学家，工程师和研究与发展的经济学家必不可少的有力工具，帮助他们了解他们在深入的主题。

Some of the features which Freud considered to be indispensable for civilization or culture have already been touched' upon, such as control of nature and renunciation of instinct.

一些特点，弗洛伊德认为是必不可少的文明或文化已经触及'时，如控制的性质和放弃本能。

But to be private is the indispensable prerequisite for deepening the understanding ofoneself and bringing out one's personlity.

但是，寂寞却是深刻认识自我，凸现个性必不可少的前提。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。