高度 こうど成長 せいちょう じゃありませんでした
kō dosei chōkijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 高度成長期

1. Was not a period of high economic growth.; It was not a period of rapid growth.

Past/Perfective
Negative
Polite
Terminal Form