中央 ちゅうおう しん幹線 かんせんでしょう
chūōshinkansendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 中央新幹線

1. Probably the Central Linear (Shinkansen); Likely the Central Linear (Shinkansen)

Polite
Presumptive
Conjecture
Business