open and unvalued policy

• [经] 开口及金额未定的保(险)单； 统保(险)单

open and unvalued policy的用法和样例：

例句

1. The clerk shuffled reservation and room slips.
   登记员翻阅着预定单和住宿单。
2. Andy's great policy brought the company a big deal.
   安迪的英明策略为公司带来了一单大生意。