without charge

例句：

1. 1. We decided to go withoutcharge for the rest of the trip.
   我们决定在旅行的剩余时间里免费使用。
2. 2.The museum offers free admission to children under18 years old.
   博物馆对18岁以下的儿童免费开放。
3. 3. The companyprovides free parking for its customers.
   该公司为顾客提供免费的停车服务。