長期 ちょうき優良 ゆうりょう住宅 じゅうたくでしょう
chōki yūryōjūtakudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 長期優良住宅

1. Probably a long-term, high-quality residence.

Polite
Presumptive
Conjecture