When traveling abroad, it is very necessary to bring some foreign currency with you.
去国外旅行时候，随身携带一些外国货币是很有必要的。
Do you think it is necessary for Sunny to give tips for the service?
你认为桑妮有必要为服务给小费吗？
Effective communication is necessary to instruct your dog about what you want it to do.
有效的沟通是必要的，这让你的狗狗明白你想让它做什么。
You should not allow deleting any artifact unless it is really necessary to do so.
您不应该允许删除任意的工件，除非真的有必要这样做。
I only want one apple, and if one apple is worth nothing then it is not necessary for me to pay you.
我只要一个苹果，如果一个苹果一分钱也不要的话，那我也就没必要给你钱了。
If it is necessary to complain about the meal or service, remember that how you complain could make or break your business deal.
如果需要抱怨饭菜或者服务的话，记住你抱怨的方式有可能使你谈成生意或导致生意失败。
It is necessary to take massive action, but it will be useless if you do not know where you want to end up at.
重大的行动是必须的，但是如果你不知道终点在哪，行动就没有作用。
It is a very difficult tip to follow, but a necessary one, if you want to really get out of debt.
这条建议很难做，但又很必要，如果你是真的想要摆脱债款。
As completely as was possible and is necessary, would you choose to do it?
如果完全可能而且必要，你会这样做吗？
The truth is that it’s not something that’s necessary for everyone – but if it is necessary, you need to set aside a bit of time to get it done.
事实上并非每个人都需要——但如果有必要，你应该花点时间来处理下。
It is very necessary that you know what kind of style to choose.
选择哪种风格是很有必要的。
In the U.S. it is not necessary to knock before you enter the classroom.
在美国，进教室之前不需要敲门。
You can express it as: "it is important for us to be available to each other; it is something that I consider necessary."
你可以这样表达：“我们双方都有空闲是重要的；这是我认为必须的。”
Kaname, it is not necessary for you to say any more.
小要，你不用多说了。
It is necessary to walk them in the park once a day if you want them to be healthy.
如果你想让他们健康的话，每天带他去公园散一次步是必要的。
Is it necessary for you to go there every night?
你必须每天晚上都到那里去吗？
It is necessary for you to study Chinese.
对你来说，学习汉语是很必要的。
But when it comes to money, you say this is a necessary conversation.
但是，当涉及到钱，你得说这是必要的交谈。
It is necessary that you take the important decision to accept us, and by and large we find that you are much more open to the idea of our presence along side of you.
最重要的是你们要接受我们的这个决定，总的来说我们发现你们在更公开的接受我们站在你们这边的存在事实。
Wherever you go, it is necessary to know the weather condition.
无论你去什么地方，都有必要了解天气情况。
When you study English, it is necessary to remember a large number of English words.
当你学英语时，记忆大量的英语单词是很有必要的。
You believe that disease is necessary, that you have got to expect a certain amount of it.
如果你相信疾病是不可少的，那么你肯定会患上不少病。
It is necessary to walk the dog in the park once a day if you want it to be healthy.
如果你想要你的狗健康，每天一次在公园溜狗是有必要的。
However, it is sometimes necessary for you to be admitted to hospital for further treatment.
不过，有时是必要的，你要入院接受进一步治疗。
Do you think it is necessary to cover all risks?
你们认为有必要保一切险吗？
You can turn to him for help when (it is) necessary.
必要时，你可以向他求助。
We thought it is necessary for us to ask you to come here for an interview.
我们认为很有必要约你来此作一次面试。
We thought it is necessary for us to ask you to come here for an interview.
我们认为很有必要约你来此作一次面试。
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