/ˈkɒmən lɔː ˈmærɪdʒ/ – Phrase
Definition: Hôn nhân thường lệ.
A more throughout explanation: a marriage which is not the result of a formal legal ceremony, but is considered to exist after a couple have lived together for several years
Example: Although in Spain a married couple can separate or divorce, there are no specific procedures for the break-up of a common-law marriage.