/kənˈsent tu bi baʊnd/ – Phrase
Definition: Sự đồng ý để bị ràng buộc.
A more thorough explanation: a state’s acceptance of the fact that it is bound by an international treaty, usually expressed by signing and ratifying (=passing into law) the treaty
Example: In order to become a party to the treaty, a State must formally declare its consent to be bound in accordance with its national procedures.