the fact of being useful or possible to use 有用;实用;可用性 There are doubts about the usefulness of these tests. 这些试验是否有用,人们有所保留。 The building has outlived its usefulness. 这座楼房已超过使用年限了。
Extra ExamplesMany people claim that the word has lost its usefulness. 许多人声称这个词已经用不上了。 The advisory group has outlived its usefulness. 顾问小组已失去了它的作用。 The report is of potential usefulness to the government. 这个报告可能对政府有用。 The theory is of limited usefulness. 这个理论用途有限。 the drug's usefulness in the treatment of cancer 这种药在癌症治疗中的功效 the exam's usefulness for ranking students 考试在为学生排名次方面的作用
Oxford Collocations Dictionaryadjective- limited
- some
- general
- …
- have
- increase
- diminish
- …
- of… usefulness
- usefulness for
- usefulness in
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