必要的

Criticism and self-criticism is necessary in that is helps us to correct our mistakes .

批评和自我批评是必要的，因为它能帮助我们改正错误。

Criticism and self-criticism is necessary in that it helps us correct our mistakes.

批评和自我批评是有必要的，因为它们能帮助我们改正错误

Criticism and self-criticism is necessar in that it helps us to correct our mistakes.

批评与自我批评是必要的，因为能帮助我们改正错误。

In fact, some self-deception might be necessary to pursue some lines of thought well.

实际上，有些自我欺骗也许对顺利追求某些思想派别来说是必要的。

The insured person must avoid needless self-exposure to peril unless attempting to save human life.

四、 除紧急情况下救人外，被保险人必须避免将自己暴露在不必要的危险境地下。

It has been found throughout the ages that self-preparation is necessary.

经过漫长年代人们已经发现自我准备是必要的。

Yahoo's behavior, he added, put it in a different category:''Yahoo is a sellout.

他说到，有时候妥协是必要的。

He was able to use the sensory gym equipment appropriately and he was able to seek assistance when necessary.

他能够适当地使用感觉器材，在必要的时候，他能够寻找帮助。

I think investment in carbon sequestration is absolutely needed.

我认为对碳封存进行投资是十分必要的。

We'll send a serviceman to your region to do any necessary repairs.

A ：我方将派一名维修人员去你处做必要的维修。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。