efficient
US /ɪˈfɪʃ.ənt/
UK /ɪˈfɪʃ.ənt/

1.
효율적인, 능률적인
achieving maximum productivity with minimum wasted effort or expense
:
•
The new system is much more efficient.
새로운 시스템이 훨씬 더 효율적이야.
•
She is a very efficient worker.
그녀는 매우 효율적인 일꾼이야.
효율적인, 능률적인
achieving maximum productivity with minimum wasted effort or expense