a fleeting opportunity的用法和样例：
- I got only a fleeting glimpse of him.
- For a fleeting moment I thought the car was going to crash.
- The company owns a fleet of car for its sale force to use.
- The hotel has a fleet of limousine to take guest to the airport.
- 1 If one wants to use a fleeting opportunity,one has to be prepared both in finance and mind.