/ˌɪntərˈnæʃənl siːz/ – Phrase
Definition: biển quốc tế.
A more thorough explanation: International seas refer to the waters that are not under the jurisdiction of any single country and are considered to be part of the global commons. These waters are open to all nations for navigation, fishing, and other lawful activities in accordance with international law.
Example: The international seas are governed by the United Nations Convention on the Law of the Sea.