/əˈfɪʃl bɒnd/ – Phrase
Definition: giấy cam kết thi hành đúng chức trách nhiệm vụ.
A more thorough explanation: An official bond is a type of surety bond required by law for certain public officials to ensure they faithfully perform their duties and fulfill their obligations. If the official fails to do so, the bond provides financial compensation to cover any resulting losses or damages.
Example: The official bond was signed by the city treasurer as a guarantee of faithful performance of their duties.