永年 えうねん在職 ざいしょく議員 ぎいんでしょう
eunenzaishokugiindeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 永年在職議員

1. Probably a long-serving member of parliament.; Likely a veteran politician.

Polite
Presumptive
Conjecture