A：Here you are. You left the medicine here.你回来了。你把药落在这里了。

B：Sorry. I was too worried.对不起。我刚才太担心了。

A：I firmly believe that you love your brother very much.我相信你一定很爱你的弟弟。

B：Absolutely. By the way, do you sell any traditional Chinese medicine?当然了。顺便问一下，你们卖中药吗?

A：Yes, we have some Chinese medicine for common cold.是的，我们有治疗普通感冒的中药。

B：I heard Chinese medicine has a better lasting effect in cure.我听说中药的治疗效果更持久。

A：It depends. It's true that you can take some for prevention.要看情况。不过你可以买一些做预防。