A：Have you bought another handset
哎，你又买了一部手机吗?
B：No, it is the original one.
哪儿呀,是原先的那个。
A：This is silver gray，while I remember your handset was black.
怎么变银灰色了，我记得你的手机是黑色的。
B：I have changed a case for it.
我给手机换了个外壳。
A：Can a handset case be changed?
手机的外壳能换?
