词典释义：
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Is it absolutely necessary for Miss Denker to be present? Killjoy.
丹可小姐有必要在这里吗？解解闷。
《Downton Abbey Season 6》《唐顿庄园 第六季》
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But, I wonder if it's necessary for Mr Bates to go with him.
但贝茨先生真的非要跟去吗？
《Downton Abbey Season 4》《唐顿庄园 第四季》
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Oh, my goodness. Where do I begin? For instance, My laptop contained four out of the five gedanken experiments necessary for a cogent restatement of the quantum measurement problem.
天呐，多得去了，比如说，我笔记本电脑里有五种思维实验，其中四种都是关于量子测量课题的强有力的重述。
《The Big Bang Theory Season 3》《生活大爆炸 第三季》
双语例句
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It doesn't seem necessary for us to meet.
我们似乎没必要见面。
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Too many people had too little patience for the grunt work necessary for long-term success.
太多的人都没有耐性为以后的成功去做眼下必需的苦差事。
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An objective set of rules which we all agree to accept is necessary for any ordered society.
任何井然有序的社会都需要一套客观公正、为大家所接受的规则。
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It is necessary for us to control our desires in this consumer society.
在当今这个消费者主导的社会中，我们很有必要控制自己的欲望。
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We're taught to read because it's necessary for much of human understanding.
我们被教导要阅读，因为阅读对提高人类的理解力是必要的。