voluntary insurance

例句：

1. 1. Many people choose to purchase self-insurance plans as a way to protect themselves in the event of an accident.
   许多人选择购买自保计划作为在发生事故时保护自己的一种方式。
2. 2. The company offers a variety of voluntary insurance policies to its employees.
   该公司提供多种自愿保险政策给其员工。
3. 3. Voluntary insurance is becoming increasingly popular as more people realize the benefits of having protection for their personalassets.
   随着越来越多的人意识到拥有个人资产保护的好处，自愿保险正变得越来越受欢迎。