说明：假定你是王军。根据以下内容以第一人称发一封电子邮件。
内容：
(1)发件人：王军。
(2)收件人：Anna。
(3)发件人电子邮箱地址：wangjun11007@hotmail.com。
(4)收件人电子邮箱地址：annal1008@ hotmail.com。
(5)事由：王军在网站www.ebay.com上卖出了一本书，书名《电子商务导论》。买家是美国客户Anna Brown。
(6)邮件涉及内容：
①感谢对方购买《电子商务导论》。②书已寄出，预计一周内到达。③希望收到书后在网站上留下反馈意见。④如果满意，希望向其他客户推荐。
⑤最近还会推出一些新的图书，欢迎选购；再次购买可以享受折扣。Words for reference:
反馈意见feedback 电子商务导论Introduction to E-commerce注意：E-mail的内容要写成一个段落，不得逐条罗列。
E-mail Message
From:To:
Subject: Feedback of the transactionDear Miss Anna Brown
E-mail Message
From:wangjun11007@ hotmail. com
To:anna11008@ hotmail. com
Subject: Feedback of the transaction
Dear Miss Anna Brown
Thank you for your purchasing the book Introduction to E-commerce from www.ebay. com. I havesent it to you and hopefully you'll receive it in a week. When you receive it, I hope you can give yourfeedback on the website. If you think it is a good book, please recommend it to other people.Moreover, I will add some new books for you to choose. You can get some discounts if you place anorder again.
Sincerely yours,
Wang Jun