2--How many of you?

1--Four.Two adults and two children.ls there any discount?

2--Yes.Babies under six months are free of charge.We ofter 50% discount to children under 7.How old are your children?

1--One is 4 months and the other is years old.

2--Altogether you have to pay $800.

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注解：

1.discount折扣

2.free免费的

3.Altogether一共

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译文：

1--早上好。我想买去巴黎的机票。

2--你们几个人呢？

1--4个，2个大人2个小孩。是不是有折扣呢？

2--有的。 6个月以下的婴儿免费，7岁以下的儿童半价。您的孩子多大了？

1--一个4个月大，另一个6岁了。

2--你们一共付800美元。