経済 性 向上 じゃなかったです keizai sei kōjōjanakattadesu
keizai sei kōjōjanakattadesu
Noun
, Desu Copula
The polite, past negative form of 経済性向上
1. It wasn't about improving economic efficiency.; It wasn't about cost-effectiveness.
Past/Perfective
, Negative
, Polite
, Casual Register
Word Pronunciation
文
No variants available for this word.