在抬头注明你的的姓名和地址。 将封面页设置为两栏格式。 在左栏列出日期、收件人姓名、寄件人的姓名和发送者的电话号码。 在右栏列出时间，双方传真号码，你的电子邮件地址。 标明页码数。 包括一条简短信息。 如果必要，写一个声明。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Use a formal letterhead if you have one. Otherwise, type your full name and the address of your company or institution at the center top of your cover page.  Include your phone number and your fax number beneath your name and address. Leave at least two blank lines below this header and the rest of the document. The contact information for both you and the receiver should be indicated toward the top of the page. These columns should be double-spaced.  It's a good idea to save your document as a