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有効 ゆうこう性 せいじゃありません
yūkō seija arimasen

敬
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Noun
, 
Desu Copula
, 
Negation Auxiliary

The polite negative form of 有効性

1. Not effective.; It is not valid.

Negative
, 
Polite
, 
Terminal Form

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有効性じゃありません

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