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有効 ゆうこうではありません
yūkōdewārimasen

敬
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Noun
, 
Desu Copula
, 
na-Adjective
, 
Negation Auxiliary

The polite negative form of 有効

1. Is not valid.; Is ineffective.

Negative
, 
Polite
, 
Formal Register
, 
Martial Arts

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有効ではありません

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