JLPT N2Kanji compounds

効率

Readingこうりつkouritsu

Meaning
費やした労力や時間に対して得られる成果の割合
Explanation
"効率 (こうりつ)" refers to the ratio of results obtained relative to the labor or time spent. It is used like "効率がよい (efficient)." The "効果" in c4 is a different word referring to the good or bad of a result, and its meaning differs from 効率, which expresses a ratio.
Original Japanese explanation

「効率(こうりつ)」は、費やした労力や時間に対して得られる成果の割合を指します。「効率がよい」のように使います。c4 の「効果」は結果の良し悪しを指す別の語で、割合を表す効率とは意味が異なります。

Examples
  • 効率がよい

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