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パフォーマンス向上 こうじょうじゃなかった
pafōmansukōjōjanakatta

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Noun
, 
Da Copula

The past negative form of パフォーマンス向上

1. Wasn't performance improvement.; Didn't improve performance.

Past/Perfective
, 
Negative

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パフォーマンス向上じゃなかった

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