Once our services cease to be useful to them, we're expendable.

一旦我们的服务对他们不再有用，我们就可能被抛弃。

柯林斯例句

A tripod will be useful to align and steady the camera.

三脚架有助于调准和稳定相机。

柯林斯例句

It can be useful to write a short summary of your argument first.

先把你的论点纲要写下来可能会有帮助。

《牛津高阶英汉双解词典》

Your advice might be useful to others in similar situations.

你的建议可能对处于类似情形的其他人有用.

超越目标英语 第4册

The drug will be useful to hundreds of thousands of infected people.

这种药将惠及成千上万的感染者。

辞典例句

A test run would be useful to the statisticians.

试运转将对统计学家有用.

辞典例句

It will be useful to summarize the relevant Gaussian formulae.

有必要概括地讲一下有关的高斯公式.

辞典例句

Before going further, it may be useful to get some perspective on the national debt.

在作进一步讨论前, 先观察一下国内负债情况可能是有用的.

辞典例句

It may still be useful to press the point home by working out a particular illustration.

通过一种特殊的说明来表明这点也许仍是有用的.

辞典例句

Plants provide many chemicals that can be useful to humans, especially for drugs and insecticides.

植物能为人类提供有用的化学物质, 特别是药物和杀虫剂.

辞典例句

This is can be useful to test your array.

这个对你测试阵列很有用处.

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I stumbled across some information that may be useful to us.

我偶然发现了一些对我们可能有用的资料.

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If the wind were contrary, they might be useful to us.

假使碰到逆风的时候, 它们还可以为我们服务哩.

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The results may be useful to the transformer design.

这为变幅杆的设计提供了一定依据.

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The book would be useful to students in biochemistry courses.

这本书在生物化学课上会对学生有用.

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