efficient
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Mean
Acting directly to produce an effect.
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efficiency [¸í]
efficiently [ºÎ] ´É·üÀûÀ¸·Î, À¯È¿ÇÏ°Ô
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1.
efficient
cause (µ¿ÀÎ)
2. a fuel-
efficient
engine (¿¬ºñ°¡ ÁÁÀº ¿£Áø)
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