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?

B：Of course. That's why I bought this type. I can change its case frequently, so it is novel to use it.

那当然了，当初买的时候就看中了这一点，经常换个外壳，用着也觉得新鲜。

A：How many cases are accessible?

能换几种外壳?

B：There are two more, one is orange and the other is pink. I have bought them all.

还有两种，一种是橙色的，另一种是粉红色的，我全买了。

A：It's really going to be fresh all the time.

这可真是常用常新。