海洋 かいよう投棄 とうき規制 きせい条約 じょうやくでしょう
kaiyōtōkikiseijōyakudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 海洋投棄規制条約

1. Probably the Ocean Dumping Restriction Treaty.

Polite
Presumptive
Conjecture