A:What can I do for you?
有什么可以帮您的？

B:Yes.There is something wrong with my watch.It stopped several hours ago.
是的。我的表坏了。几个小时前它不走了。

A:Let me have a look.The watch's battery is worn down.
让我看看。电池没电了。

B:How much is a battery?
一个电池多少钱？

A:$50.
50美元。

B:How long will it last?
能用多长时间？

A:About 2 years.
大约两年。

213'