line of insurance

例句：

1. 1. The company offers a line of insurance for its customers.
   该公司为其客户提供一系列保险产品。
2. 2. We need to check the details of the line of insurance before signing the contract.
   在签订合同前，我们需要检查保险单的详细信息。
3. 3. The line of insurance is designed to protect against various risks.
   该保险单旨在保护客户免受各种风险的影响。