Is it necessary for us to take some photos before saving the old man?
我们有必要在救老人之前拍一些照片吗？
Is it necessary, is it unavoidable?
是否必要，是否不可避免，一讨论正义。
为什么它是必须的？
About what is it necessary to despair?
什么是必须绝望的事情？
有必要吗？
Is it necessary for me to attend the meeting?
我真的必须参加这个会议吗？
Daniel: Hello, is it necessary to do warm-up exercise?
听看学丹尼尔：你好，必须做热身运动吗？
Is it necessary to wear the racetrack on your head as well?
是不是也有必要把跑道顶到头上呢？
Is it necessary to withdraw all Chinese engineers in Pakistan to China?
是否有必要把在巴中国工程人员都接回中国？
The executive said that Mr Fuld asked him: "Is it doable? Is it necessary?
报告提到，这位雷曼前高管称富尔德问他：“这么做是否可行、是否有必要？
The Universiade Games need a safe environment, but is it necessary to be so radical?
大运会是需要安全的环境，不过好像也用不着这么极端吧？
Is it necessary to reason about the good life in order to decide what is just and what rights people have?
是否有必要找到美好生活的原因，以决定什么是正义，什么是人民的权利？
Is it necessary to have three factories and a separate design centre to build fewer than 270,000 cars a year?
是否需要三个工厂和一个单独的设计中心来生产每年不到27万辆的汽车？
Is it necessary to have three factories and a separate design centre to build fewer than 270, 000 cars a year?
是否需要三个工厂和一个单独的设计中心来生产每年不到27万辆的汽车？
If it's implied that each property has a getter and setter, and it usually is, why is it necessary to spell it out?
如果每个属性都具有一个getter和setter，并且通常如此，那么又何必详细说明呢？
Is it necessary to read or write the relational database immediately, or can you handle the work in batch mode with a server agent or LEI Replication activity?
有必要直接读写关系数据库吗，或者您能使用一个服务器代理或者LEIReplication活动来以批处理模式处理该工作吗？
Only three variables determine the outcome: is the script on the same domain as the main page, is it necessary to preserve execution order, and should the busy indicators be triggered.
只有三个关键变量来决定结果：是否需要跨域，是否需要确保执行顺序，是否需要触发示忙器。
It is necessary initially to classify the headaches into certain types.
起初把头疼分成若干类别是有必要的。
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。
I think at the beginning of each book a brief introduction to it is necessary.
我认为每本书开头的简短介绍都是很有必要的。
It is always necessary to have regard to the terms of the contract.
记住合同条款总是必要的。
Sometimes it is necessary to say no.
有时候说“不”是必要的。
It is necessary to examine how the proposals can be carried out.
有必要调查一下怎样才能实施这些方案。
It is not always necessary to gut the fish prior to freezing.
在冷冻鱼之前没有必要总是取出其内脏。
To understand why they are doing it, it is necessary to know where they are coming from.
要理解他们为什么这样做，有必要知道他们的想法。
It is not necessary to enroll before the course starts.
不需要在课程开始前注册。
It is not necessary to enroll before the course starts.
不需要在课程开始前注册。
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