dear mr/ms,
thank you for your letter of june 4, enclosing an account of the organization and work of your chamber of commerce and industry.
we are very grateful for such a detailed account of your activities. this information is certain to help increase our future cooperation.
yours faithfully
尊敬的先生/小姐：
謝謝您六月四日的來信及隨信附上的說明書，該說明書描述了你們工商總會的工作與組織結構。對給我們一個你們活動如此詳細的`描述，我們表示非常感謝。這一信息一定能幫助促進我們未來的合作。
你誠摯的
