insurance premium

例句：

1. 1.The insurance premium is due on the first of each month.
   保险费每月的第一天到期。
2. 2.The company's policyholders are required to pay a certain amount of insurance premium every year.
   公司的政策持有人每年需要支付一定的保险费。
3. 3. The premium for this insurance plan is $500 per year.
   这个保险计划的年费是500美元。