It is necessary to work hard on English.
对于我们来说，努力学习英语很必要。
It is, however, necessary on occasion to work outwith these hours.
然而，有时有必要在这些时间之外工作。
It is not necessary to understand the creative function in order to produce original work.
要创作出有独创性的作品，并不要求懂得创造的功能。
It is necessary to relax yourself after a period of hard work.
经过一段时间的努力工作，放松一下是必要的。
It is necessary for you to finish the work before Friday.
你们有必要在星期五前做完这项工作。
It is not necessary to do this work.
这是没有必要做这项工作。
It is highly necessary to work out an emergency package.
制定一整套应急措施是非常必要的。
So, it is necessary to build a new management pattern of the modern subject construction to take an advance management system and to push on the work of the subject construction.
因此，建立现代学科建设管理工作的新模式，采取更先进的管理机制、体制，以切实推进学科建设工作非常必要。
Is it necessary to work with others?
有必要跟别人一起工作吗？
It is necessary to have a meeting, especially when you won't work.
开会是必不可少的，尤其是在你不想工作的时候。
So, it is necessary to study it further, to guide our urban land readjustment work.
因此，有必要深入研究我国的城市土地整理，以指导城市建设的实践。
It is more necessary than ever for all of us to work hard.
我们大家比以往更需要努力工作。
Study secretarial work, it is necessary to study the Secretary of writing.
研究秘书工作，就必须研究秘书写作。
However, it is necessary to analyze its influence and work out the corresponding measures.
因此，有必要分析其影响因素并提出相应的对策。
Cheng Yufan :Is it necessary to understand the local cultures to do international work?
程昱凡：创作通行国际市场的广告是否需要了解各地的文化？
If it is necessary for us to do some work today, let us do it today and not leave it until tomorrow.
如果今天我们有什么要做的工作，让我们就把它做完，不要拖到明天。
It is necessary to find answers through hard work.
我们必须通过努力的工作来找出问题的答案。
So it is very necessary to do some research work on car recognition.
因此，本文对车辆识别展开了深入的研究。
In fact, it is necessary to do this famous phrase, we need to continue to work in the creative!
其实，要把这句话做名言，就需要我们在工作中不断的创意！
In fact, it is necessary to do this famous phrase, we need to continue to work in the creative!
其实，要把这句话做名言，就需要我们在工作中不断的创意！
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