求一篇商务英语作文，简单点

英语的学习不是一朝一夕的，是需要长时间的积累过程，单词，语法，听力，这些是最基本的，不过最主要的是口语的练习，多听多练是最有效的，最好是可以经常和外国人交流，进行语言的交换，文化的交流也是可以提升外语的。

We
obtained the name and address of their firm from (our Chamber
ofCommerce in Guangzhou), Guangzhou Chamber of Commerce, and that they
are the largest coffee exporters in the UK. The purpose of the letter is
to establish business relations with you. We have been importing coffee
for more than 20 years and have extensive contacts with domestic
buyers. We would be grateful if you could send us the latest catalogue
and samples. We hope to receive your reply as soon as possible.

我也不知道

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