Y:服务员!
X:I'll be with you in a second.Uh…Yes,ma'am?
X:我待会儿就过来。噢...女士,你有什么事呢?
Y:This is not what I asked for.I'm afraid.
Y:这东西恐怕不是我所要的。
X:Oh,I'm so sorry.May I ask what you ordered again?
X:哦,真抱歉。容我再问一次你点了什么吗?
Y:Yes .What I ordered is roast beef,not roast beef sandwiches.
Y:好的,我点的是烤牛肉,而不是烤牛肉三明治。