訪日 ほうにち外国 がいこく じん きゃくでしょう
hōni chigai kokujinkyakudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 訪日外国人客

1. Probably foreign visitors.; Probably overseas tourists.

Polite
Presumptive
Conjecture