a broad avenue的用法和样例：
- A broad avenue of lime trees led up to a grand entrance with huge oak doors.
- Our policies concerning the reduction of rent and interest rates and the payment of rent and interest have opened up a broad avenue for the development of production.
- The river opens out suddenly into a broad estuary.
- Her heavy industry rests on a broad and firm base.
- She has a broad knowledge of computers.
- Tall trees wall the broad avenue.