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1. Oxford Dictionary

   efficient

   • IPA[ɪˈfɪʃnt]

   英式

   • adj.
     (of a system or machine) achieving maximum productivity with minimum wasted effort or expense；preventing the wasteful use of a particular resource
2. • 釋義

   adj.

   形容詞

   • 1. (of a system or machine) achieving maximum productivity with minimum wasted effort or expense more efficient processing of information 同義詞 well organized, methodical, systematic, structured, well planned, ... 更多logical, coherent, well regulated, well run, well ordered, orderly, businesslike, systematized, streamlined, productive, effective, labour-saving, cost-effective, energy-efficient, energy-saving, fuel-efficient反義詞 inefficient, disorganized
   • ▪ preventing the wasteful use of a particular resource an energy-efficient heating system
   • 2. (of a person) working in a well-organized and competent way an efficient administrator 同義詞 well organized, methodical, systematic, structured, well planned, ... 更多logical, coherent, well regulated, well run, well ordered, orderly, businesslike, systematized, streamlined, productive, effective, labour-saving, cost-effective, energy-efficient, energy-saving, fuel-efficient反義詞 inefficient, disorganized