a horse of the question的用法和样例：
- That's a horse of another color.
- Normally, men who are not wearing a tie are not admitted to the club, but as you've only come to read the electricity meter that's a horse of a different colour.
- We keep a horse and are all fond of the horse.
- The part of a horse in front of the rider.
- Bob began to go into the details of the question.