/ɪˈmjuːtəbəl ɪnˈdɛfɪzəbəl lɔː/ – Phrase
Definition: luật bất di bất dịch.
A more thorough explanation: An immutable (indefeasible) law refers to a legal principle or rule that is unchangeable, permanent, and cannot be altered or revoked. It is a law that is considered absolute and binding, without the possibility of being defeated or invalidated.
Example: The principle of innocent until proven guilty is considered an immutable law in the criminal justice system.