2--Yes. We are just looking for one. What's the charge per day?

1--lt's $20. If you are staying for more than 3 days in the city, the charge is $16 per day.

2--That's reasonable.

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注解：

1.guide导游

2.per day每日

3.reasonable合理的

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译文：

1--您需要一位导游吗?

2--是的，我们正好需要一位，一天多少钱呢？

1--20美元，如果您在这呆三天以上的话，每天16美元。

2--价位还合理。