/pərˈpɛtʃuəl/ – adjective
Definition: vô thời hạn, chung thân, liên tục, không ngừng.
A more thorough explanation: Perpetual refers to something that continues indefinitely, without a specific end or expiration date. It can also refer to something that is constant or unchanging.
Example: The lease agreement includes a perpetual clause, ensuring that the tenant has the right to renew the lease indefinitely.