they spend hours looking at the best price at the item they want

分类: 作业答案 • 2021-12-28 15:45:55

问题描述：

they spend hours looking at the best price at the item they want
为什么是at the item they want而不用for the item they want

答

For 暗含了目的之意,at 并无具体的意思.