| 释义 |
usefulness noun ADJECTIVE | VERB + USEFULNESS | PREPOSITION ADJECTIVElimited, some 有限的／一定的用途general 一般用途practical 实际用途potential 潜在用途VERB + USEFULNESShave 有用途increase 增加用途diminish, limit, reduce 减少用途；限制用途◆Badly written questions limit the usefulness of questionnaires.问题设计得不好，调查问卷的作用就会打折扣。lose 失去实用性◆Many people claim that the word has lost its usefulness.许多人声称这个词已经用不上了。assess, determine, evaluate, examine 评估效用；确定效用；检验效果question 怀疑效用demonstrate, prove 展示／证明效用outlive 再无效用◆The advisory group has outlived its usefulness.顾问小组已失去了它的作用。PREPOSITIONof... usefulness ⋯的作用◆The theory is of limited usefulness.这个理论用途有限。usefulness for ⋯方面的效用◆the exam's usefulness for ranking students考试在为学生排名次方面的作用usefulness in 在⋯方面的用途◆the drug's usefulness in the treatment of cancer这种药在癌症治疗中的功效usefulness to 对⋯的作用◆The report is of potential usefulness to the government.这个报告可能对政府有用。 |