a fleet of ships的用法和样例：
- There is enough water in the harbour to float a fleet of ship.
- Almost 400 years later, the USS Kearsarge led a fleet of ships up part of the same Hudson river in annual event that turns the Big Apple into a sea of white.
- 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.
- The company owns a fleet of cars.