如何使用 "promptness" 造句

1. Many people think that the word " tip " is an acronym for " to insure promptness . "
许多人都认为“tip”一词是“toinsurepromptness”的简称。
2. At that time , every local hotel had a special bowl on its tables , on which wrote " to insure promptness " .
那时,当地酒店的餐桌上一般都摆着写有“toinsurepromptness”(保证及时服务)的碗。