a street practicable for cars的用法和样例：
- It was a seller's market for cars in 1970.
- They are trying to find a cleaner fuel for cars.
- A path marked off for pedestrians crossing a street.
- Later, while you wait to catch a street car returning to your hotel, you may even see the sign "Doggy Diner" - a restaurant for dogs!
- Look out for cars as you cross the street.