utility

utility
(pl. -ies)
  1. [mass noun]the state of being useful, profitable, or beneficial
    功用,效用,功利
    ■(in game theory or economics) a measure of that which is sought to be maximized in any situation involving a choice
    (博弈论,经济学)效用
  2. a public utility
    公用事业
  3. (Computing)a utility program
    (计算机)应用程序
  4. (Austral./NZ)a utility vehicle
    (澳/新西兰)小卡车,轻型货车
adjective
[attrib.]
  1. useful, especially through being able to perform several functions
    有用的;多功能的
    a utility truck.
    轻型客货两用车。
    ■denoting a player capable of playing in several different positions in a sport
    (体育运动员)多面手的
  2. functional rather than attractive
    实用型的
    utility clothing.
    实用服装。
语源
  1. late Middle English: from Old French utilite, from Latin utilitas, from utilis 'useful'
英语宝典
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