原因 不明 ではありません gen'in fumeidewārimasen
gen'in fumeidewārimasen
Noun
, Desu Copula
, no-Adjective
, Negation Auxiliary
The polite negative form of 原因不明
1. It is not the case that the cause is unknown.; The cause is known.
Negative
, Polite
, Formal Register
Word Pronunciation
文
No variants available for this word.