efficiency
🇺🇸
/ɪˈfɪʃnsi/
🇬🇧
/ɪˈfɪʃnsi/
doing things well without wasting time or money
Her efficiency in completing tasks quickly and without errors impressed everyone.
彼女がタスクを迅速かつ正確に完了する効率性は、皆に強い印象を与えた。
ways to save time or money by reducing waste
We are improving efficiency by using less paper and energy in our office.
オフィスでの紙とエネルギーの使用量を減らすことで、効率性を向上させています。
how well a machine uses energy to do work
The efficiency of this engine is high because it uses less fuel to produce more power.
このエンジンの効率は高く、より少ない燃料でより多くの動力を生み出します。
a small apartment with one room for living and a separate bathroom
He lives in an efficiency apartment that has everything he needs in one room.
彼は必要なものがすべて一つの部屋にある効率アパートに住んでいます。