/ˈæpəˌstil/ – Noun
Definition: Chứng thực quốc tế.
A more thorough explanation: a special seal applied by an authority to certify that a document is a true copy of an original. Apostille certification is a form of authentication issued to documents for use in countries that are signatories to the Hague Convention of 1961.
Example: An apostille can be used whenever a copy of an official document from another country is needed.