/ˈmɛrɪdʒ ʌv kənˈviːniəns/ – Phrase
Definition: Hôn nhân hợp đồng.
A more thorough explanation: a witness (=someone who sees a crime or accident etc happen or who tells a court what they know about something that has happened) whose evidence is very important to a trial
Example: 1. Like all coalition governments, this is a marriage of convenience.
2. The family never went to the wedding, or met the groom, and believe the short-lived union was a marriage of convenience, purely for a green card.