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1. Oxford American Dictionary

   utility

   • IPA[yo͞oˈtilədē]

   美式

   • n.
     the state of being useful, profitable, or beneficial；(in game theory or economics) a measure of that which is sought to be maximized in any situation involving a choice.
   • adj.
     useful, especially through being able to perform several functions；denoting a player capable of playing in several different positions in a sport

   • noun: utility, plural noun: public utilities

2. • 釋義

   n.

   名詞

   • 1. the state of being useful, profitable, or beneficial he had a poor opinion of the utility of book learning
   • ▪ (in game theory or economics) a measure of that which is sought to be maximized in any situation involving a choice.
   • 2. an organization supplying the community with electricity, gas, water, or sewerage.
   • ▪ US stocks and bonds in public utilities.
   • 3. a utility program a handy utility for converting one graphics file type to another

   adj.

   形容詞

   • 1. useful, especially through being able to perform several functions a utility truck
   • ▪ denoting a player capable of playing in several different positions in a sport a utility player
   • 2. functional rather than attractive utility clothing
   • 3. US relating to the lowest US government grade of beef.