垂直 すいちょく分業 ぶんぎょうじゃありませんでした
suichokubungyōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 垂直分業

1. Was not vertically specialized.; Was not a vertically divided system.

Past/Perfective
Negative
Polite
Terminal Form