ドブ どぶいた営業 えうぎょうではありませんでした
dobu ita eugyōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of ドブ板営業

1. Was not door-to-door sales.; Was not a hustle.

Past/Perfective
Negative
Polite
Formal Register