usefulness

英 [ˈjuːsflnəs]

美 [ˈjuːsflnəs]

n.  有用; 实用; 可用性

经济

BNC.8593 / COCA.9891

牛津词典

noun

• 有用；实用；可用性
  the fact of being useful or possible to use
  1. There are doubts about the usefulness of these tests.
     这些试验是否有用，人们有所保留。
  2. The building has outlived its usefulness.
     这座楼房已超过使用年限了。

柯林斯词典

• ADJ-GRADED 有用的；可用的；有助益的
  If something isuseful, you can use it to do something or to help you in some way.
  1. 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。
  2. Hypnotherapy can be useful in helping you give up smoking...
     催眠疗法可能有助于你戒烟。
  3. The police gained a great deal of useful information about the organization.
     警方收集到了大量关于该组织的有用信息。
• PHRASE 有用；派得上用场
  If an object or skillcomes in useful, it can help you achieve something in a particular situation.
  1. 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。

英英释义

noun

• the quality of being of practical use
  Synonym:utility

双语例句

• The machine had outlived its usefulness.
  这机器已无用了。
• You are past your usefulness to me.
  你已经对我没有任何价值了。
• One exception, he feels, has been a recent breakthrough in the usefulness of web conferencing.
  他认为，一个例外是网络会议的用途最近实现了突破。
• Many people think the system has outlived its usefulness.
  许多人认为该系统已经不再有用了。
• Remember to balance the relevance and usefulness of the article with your desire to stay in touch.
  记住要根据你对保持联系的愿望来权衡文章的相关性和实用性。
• The high quality of accounting standards is the premise for improving the usefulness of accounting information.
  高质量的会计准则是促使会计信息有用性提高的前提保证。
• It is of the greatest usefulness.
  它是极有用的。
• An application example demonstrates the usefulness and effectiveness of this technique.
  本文最后给出了一个实测，以说明方法的应用和有效性。
• Eventually we decided that the system had outlived its usefulness.
  最后我们决定这个系统已不再有使用价值了。
• Some people think this system of education has outlived its usefulness.
  一些人认为这一教育制度已经不再有效用了。