/ˈʌnˈɔːltərəbl lɔː/ – Phrase
Definition: đạo luật bất di, bất dịch.
A more thorough explanation: “Unalterable law” refers to a legal principle or rule that cannot be changed, modified, or revoked. It is a fundamental and fixed rule that must be followed and applied consistently in a particular jurisdiction or legal system.
Example: The principle of innocent until proven guilty is considered an unalterable law in many legal systems.