useful

形容词有用的，有益的，有帮助的; 令人满意的

形容词practical beneficial handy serviceable valuable functional helpful advantageous

形容词useless ineffectual helpless futile vain

Night class-(上夜课)

1. 有效的：如果公共事业振兴署的产出是有效的(useful)并且已经被出售,那么对失业者的公共事业振兴署的类救济不及失业保险那样容易引发通货膨胀. 如果公共事业振兴署的产出有效(useful),那么即使它不在市场上出售,对于那些发现该产出有效的人们来说,

1. 有用的；可用的；有助益的
    If something is useful, you can use it to do something or to help you in some way.

    e.g. The slow cooker is very useful for people who go out all day...
           慢炖锅对于整天都不在家的人来说很有用。
    e.g. Hypnotherapy can be useful in helping you give up smoking...
           催眠疗法可能有助于你戒烟。

2. 有用；派得上用场
    If an object or skill comes in useful, it can help you achieve something in a particular situation.

    e.g. The accommodation is some distance from the clubhouse, so a hire car comes in useful.
           住处离会所有一段距离，所以租一辆车会很有用。

1. It's not useful buying gold if the price has limited upside.

2. A CD drive isn't essential by any means, but it is intermittently useful.

3. But Autodesk CAD is popular not just because it provides a useful tool.

4. Hill called the meeting " very useful " despite its lack of agreement.

5. Another 30 percent went not quite as far, saying video resumes could be very useful for them to hunt for a good job.

6. " I found it really useful and now carry it every day, " Ma said.

7. Many households were sampled to provide useful data for the census takers.

8. useful在线翻译

8. " Representation of the PLO in Washington remains a useful channel of communication to President Abbas, " he said.

9. useful

9. Education is narrowly understood by many as merely being instruction in useful techniques and knowledge, rather than the cultivation of sound and civilized character.

10. " We had what I would characterize as sometimes difficult but ultimately useful discussions, " she said.

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