Underinsured Motorist Protection保险不足保护险
Uninsured and Underinsured Motorist Coverages未保险和保额不足的驾驶员保护险
Uninsured and underinsured motorist coverage驾驶人保险;无保险和保险不足驾驶人保险
ADJ（形容词） not having enough insurance to cover the cost of a loss 保险额不足的