感谢老猫的提醒，以后言语一定注意，不让对方抓住把柄。
不管如何，我今天给该中介公司邮寄了一个挂号信，我让邮局在信件上盖了今天的邮戳，并且复印保存了一份。今天还在 3 个工作日之内。
下面是该信的内容,请问是否有什么问题？
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Dear ****:
I am writing you to cancel the contract signed with your company on February 28, 2007.
I disagree with the unfair upfront charge of registration fee ($843.76 in total). The contract was signed under pushy pressure, at that time I did not FULLY understand all the terms due to short of time for thinking.
I have tried to contact you since March 1, 2007 (the next day of the transaction: less than 24 hours) by telephone and in person. Your office was closed and no one answered my numerous calls for 2 days until you called me back on Friday night, March 2, 2007. Unfortunately, you have not agreed to withdraw the charge.
Now, I write you to request to cancel the contract and to get refund of the registration fee. Thank you for your attention.
Yours truly,
********
