你是HJR电脑公司售后服务部的John Green，昨天收到了客户Sam的来信，他在信中提到，他新买的电脑不能正常启动。现在请给Sam写一封道歉信。
日期：3月12日
内容主要包括：
1．首先对产品出现的问题表示歉意；
2．指出公司会及时提供具体解决方案，必要时会更换新机器；
3．再次对给客户造成的不便表示歉意。
注意信函格式!
Words for reference：
售后服务部After-sale Service Department
【正确答案】 March 12
Dear Sam,
This is John Green from HJR Company. I'm sorry to hear that your newly-bought computer can not work properly. For this, we show our deepest apology. After receiving your letter, our company pays prompt attention to the problem. We will work on a specific solution to the problem as soon as possible. Our After-sale Service Department will get in touch with you in time. If necessary, we'll replace your computer with a new one.
Please accept our sincere apology again.
Sincerely yours,
John Green
【答案解析】