社会 しゃかい実装 じっそうじゃありませんでした
shakaijissōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 社会実装

1. It wasn't put into practice.; It wasn't implemented in society.; It wasn't socially implemented.

Past/Perfective
Negative
Polite
Terminal Form