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効率こうりつじゃなかった
kōritsujanakatta

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Noun
, 
Da Copula

The past negative form of 効率

1. Wasn't efficient.; Wasn't effective.

Past/Perfective
, 
Negative

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効率じゃなかった

効率じゃなかった【こうりつじゃなかった】 Activity
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