有用

Critics question whether price controls would do any good.

评论家们质疑物价管制措施是否会有用。

Belief in the utility of higher education is shared by students nationwide.

全国的学生都相信高等教育是有用的。

Talking things out with someone else can be helpful.

跟别人讨论讨论把问题彻底谈开了可能会有用。

The catalog includes helpful information on the different bike models available.

目录中包括了在售的各种型号自行车的有用信息。

We were drowning in data but starved of information.

我们淹没在大量的数据中却找不到有用的信息。

He is very sceptical about the value of rote learning.

他非常怀疑死记硬背是否有用。

The container is invisible until you shine an ultraviolet light on it.

那个柜子只有用紫外线照射才可以看见。

The book includes some useful facts about animal and plant life.

这本书包括了有关动植物的一些有用的知识。

It's an old trick but it just might work.

这是个老掉牙的把戏了，不过也许会有用。

Pain-killers are very useful in small amounts to bring your temperature down.

小剂量的止痛药对于降低体温非常有用。

It was certainly useful to have her there to chauffeur him around.

有她在那儿还是挺有用的，能开车带他到处跑。

HDTV is especially useful if there are a lot of special effects.

有很多特效的时候，高清电视就格外有用了。

I knew from past experience that alternative therapies could help.

根据过去的经验，我知道替代疗法可能有用。

In business a poker face can be very useful.

生意场上，不动声色会非常有用。

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。