1-- I need to buy some flowers for my wife.

2-- Perhaps you'd be interested in red roses.

1-- What would the roses cost me?

2-- They're only $20 a dozen.

1-- I like the sound of that.

2-- Yes, that is today's sale price.

1-- A dozen will be fine.

2-- Is there anything else you'd like to get?

1-- No, thank you.

2-- These roses should make your wife very happy.

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注解：

1.be interested in对...感兴趣

2.price价格  

3.A dozen一打

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译文：

1--我需要给我的妻子买些花。

2--也许你会对红玫瑰感兴趣。

1--玫瑰花怎么卖的？

2--一打只要20美元。

1--这个价钱还不错。

2--是的，这是今天的折扣后的价。

1--一打就可以了。

2--还需要点什么其它的吗？

1--不用了，谢谢。

2--相信你的妻子一定会喜欢这些玫瑰花的。