ファクターX
fakutā ekkusu
1. x variable; unknown variable
Noun
1. x variable; unknown variable
1. factor
1. X-ray
1. fax; facsimile
2. fax machine
1. Was a factor.
1. If/when factor; If it were a factor
1. Likely a factor.; Probably a factor.
1. It is not a factor.
1. Wasn't a factor.; Wasn't a cause.
1. Not a factor.; Not an element.