谁能怀疑这些服务的价值和必要性?

Who can doubt the value and <em>necessity</em> of these services?

我喜欢这种必要性辩护。

I love the <em>necessity</em> defence.

现在，亲身行动的必要性出现了。

Now comes the <em>necessity</em> for bodily action.

也有随时调整的必要性。

But, it also requires to adjust it in <em>necessity</em>.

你必须懂得教育的必要性。

You must understand the <em>necessity</em> of education.

他力陈马上采取行动的必要性。

New means must of <em>necessity</em> be had recourse to.

其在实践上具有研究的必要性。

There is the <em>necessity</em> of studying it in practice.

人类参与工作场所的必要性。

The <em>necessity</em> of human involvement in the workplace.

我向他强调坚韧不拔的必要性。

I urged upon him the <em>necessity</em> of the perseverance.

法官制法有其必要性和客观性.

Making the law by judges has its <em>necessity</em> and objectiveness.