permanent data

例句：

1. 1. The company's policy is to provide permanent employment for all employees.
   该公司的政策是为所有员工提供永久性就业。
2. 2.The river flows through the town, providing a permanent source of water for the residents.
   这条河流经这个城镇，为居民提供了永久的水源。
3. 3.The new building will be a permanent structure that will stand for many years.
   这座新建筑将是一个永久性的结构，将会屹立多年。