a black couple的用法和样例：
- A BLACK COUPLE wakes up inside a car parked in front of a house. It is obvious they are homeless and living in their vehicle.
- She buy a black nightie to wear on her honeymoon.
- The public scandal left a black mark on his career.
- She wore a black silk evening gown.
- Her hair was tied back with a black ribbon.
- He answered by giving me a black look.