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効率 こうりつ向上 こうじょうじゃなかったです
kōritsukōjōjanakattadesu

敬
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Noun
, 
Desu Copula

The polite, past negative form of 効率向上

1. It wasn't efficiency improvement.; It wasn't about improving efficiency.

Past/Perfective
, 
Negative
, 
Polite
, 
Casual Register

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効率向上じゃなかったです

効率向上じゃなかったです【こうりつこうじょうじゃなかったです】 Activity

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