重厚 じゅうこう長大 ちょうだい産業 さんぎょうではありません
jūkōchōdaisangyōdewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 重厚長大産業

1. It is not a heavy, large-scale industry.; It's not a substantial, major industry.

Negative
Polite
Formal Register