net premium rate

例句：

1. 1. The company's net premium rate has increased significantlyin the past year.
   该公司的净保费率在过去一年内显著提高。
2. 2. Thenew policy will result ina lower net premium rate forcustomers.
   新政策将导致客户享受更低的净保费率。
3. 3. Thecompany is looking to reduceits net premium rate to attractmore customers.
   公司正寻求降低净保费率以吸引更多客户。