问题描述：
麻烦翻译下Thank you for your email of Jan 23, 2008 offering us 50 tons of first-class coffee at US$5
Thank you for your email of Jan 23, 2008 offering us 50 tons of first-class coffee at US$500 per ton CIF New York
Thank you for your email of Jan 23, 2008 offering us 50 tons of first-class coffee at US$500 per ton CIF New York
问题解答：
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