basic premium

例句：

1. 1.The company offers a basic premium for its insurance plan.
   该公司为其保险计划提供基本保费。
2. 2.The cost of the basic premium is included in the monthly rent.
   基本保费的费用已包含在每月租金中。
3. 3. The basic premium covers only the deductible amount and not the full coverage.
   基本保费仅覆盖免赔额部分，不包括全部保障。