Hertz and Avis are two largest American car rental companies,which have offices all over the U. S.,with counters at most airports and in many international cities,so visitors may want to reserve a car through their travel agent in their own countries.

• 例如Hertz与Avis是两家最大的租车公司，他们在美国各地，大多数机场和许多国际城市都设有其办事处，所以外国旅游者可以在他们自己的国家通过旅游社来预定汽车。