他强调需要将英国的防卫力量维持在足以应付突发事件的水平。

He emphasized the need to maintain Britain's defences at a level sufficient to deal with the unexpected.

《柯林斯英汉双解大词典》

他们很难维持,因此需要更多的运营成本。

They are difficult to maintain and thus need more operating costs.

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为了达到那一目标，你需要维持你的人际网络。

To reach that goal, you need to maintain your network.

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Now, recruiting is tremendously important because you need to have a certain number of settlers to make the settlement viable.

招募是极其重要的,因为你需要有一定数量的移民,来维持居住地的运转

耶鲁公开课 - 古希腊历史简介课程节选

Now, in practice, this is not the only problem facing two firms who are trying to produce the monopoly output.

实际上 这并非两个想维持垄断产量的,企业需要面对的唯一问题

耶鲁公开课 - 博弈论课程节选

The great discovery that Galileo and Newton made is that you don't need a force for a body to move at constant velocity.

伽利略和牛顿的伟大发现就是,物体不需要力来维持匀速运动

耶鲁公开课 - 基础物理课程节选