efficiencyKK [ɪˋfɪʃənsi] /ɪˈfɪʃənsi/名詞1效率、效能The new software has greatly improved efficiency in our office.新的軟體大幅提升了我們辦公室的效率。2效率、能源效率工程、物理Engineers measured the efficiency of the engine under different loads.工程師測量引擎在不同負載下的效率。3節省、精簡措施商業、常用複數The merger is expected to create efficiencies worth millions.這樁併購預期能省下數百萬的成本。4小套房美式She rented a cheap efficiency near the train station.她在火車站附近租了一間便宜的小套房。