夫婦 ふうふ共稼 ともかせぎでしょう
fūfutomo kasegideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 夫婦共稼ぎ

1. Probably both spouses work.; They likely both have jobs.

Polite
Presumptive
Conjecture