総合 そうごうデジタル通信 つうしん もうだったら
sōgōdejitarutsūshimmo udattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 総合デジタル通信網

1. If it were a comprehensive digital communication network.; If it had been a comprehensive digital communication network.

Tara Conditional