Vigilance is necessary if you want to beat the odds.

如你想打破常规，必须保持警惕。

Which is absolutely necessary to make it work on a global scale.

而这些方面，是绝对有必要在全球范围内运作起来。

A dynamic government is necessary to meet the demands of a changing society.

一个有活力政府必须适应社会改变。

Traditionally, legal learning has been viewed in such institutions as the special preserve of lawyers, rather than a necessary part of the intellectual equipment of an educated person.

传统上在加拿大高等学府里，学习法律一直被看作是律师专门工作，而不是一个受过良人所必须具备知识素养。

It means being driven by, and when necessary standing up for your values and convictions.

这意味着，要被你自己价值观和信念所驱使；并在必要时，坚决捍卫它们。

The student who secures his coveted leisure and retirement by systematically shirking any labor necessary to man obtains but an ignoble and unprofitable leisure, defrauding himself of the experience which alone can make leisure fruitful.

学们若是蓄意逃避人人应承担劳动而偷闲，那么，他们所得到只能是既不光彩又无益处闲暇； 因为他丧失了唯一能使闲暇富有成验。

Perhaps restlessness is a necessary corollary of devoted literacy.

也许要真正学会读写本领，就必须如此不安分。

Please find enclosed a list of all necessary books and equipment.

随信附上所需书籍及装备一览表。

Hence, it is necessary for us to use Internet in a reasonable way and restrain from overindulgence.

因此，我们很有必要以一种合理方式使用互联网，避免过度沉迷。

They see it as necessary due diligence.

他们认为这是必要，是在尽职尽责。

The forests provide the humidity that is necessary for life.

森林为命提供潮湿环境。

Not necessary. I'll give you a duplicate copy.

没有必，我给你一份复印件。

I stayed in Newtown and used the hut on the moor only when necessary.

我呆在纽顿，只有必要时才用一下沼地上那个小屋。”

We admire the man who embodies victorious efforts, the man who never wrongs his neighbor, who is prompt to help a friend, but who has those virile qualities necessary to win in the stern strife of actual life.

我们钦佩那种表现出奋力向上人，那种永不屈待邻人，能随时帮助朋友，但是也具有那些刚健品质，足以在现实活严酷斗争中获取胜利人。

Greater private sector investment and public-private partnerships are necessary for sustained, equitable economic growth.

需要有更大规模企业投资和公私合作来实现持续、公平济发展。

Welcome or not, I found it necessary to attach myself to someone before I should begin to address cordial remarks to the passers-by.

我觉得不管人家欢迎不欢迎，必须给自己找个伴，不然话，我恐怕要跟过往客人寒暄起来了。

The first hour, he claimed, was necessary for misperceptions to be eliminated.

他声称，第一个小时是消除误解必要时间。

To help clear it, Delhi's government says these steps are necessary.

为降低空气污染，新德里政府称这些措施是必要。

I know modernization is necessary for advancement.

我知道要进步就必须要现代化。

No prior musical experience is necessary.

不一定需要有音乐验。