free travel

例句：

1. 1. We decided to take a free trip to the countryside this weekend.
   我们决定这个周末去乡下免费旅行。
2. 2. The company offers free travel for its employees every year.
   公司每年为员工提供免费旅行。
3. 3. Many people choose free travel as a way to explore new cultures and meet new people.
   许多人选择免费旅行作为一种探索新文化和结识新朋友的方式。