/ˈsɜːrtɪfaɪd ˈkɒpi/ – Phrase
Definition: bảo sao có chứng thực.
A more thorough explanation: A certified copy is a duplicate of an original document that has been verified as a true and accurate reproduction by a qualified authority, such as a notary public or a government official.
Example: A certified copy of the birth certificate is required for the passport application.