请判断译文是否正确：The tone of a letter that contains a negative message should reflect a sincere concern for the receiver.s interests. Your aim is to present the unfavorable news positively and in a manner the receiver will view as fair and, if possible, in the receiver.s best interests.目前，两种最常见的内部檔——即用于机构内部的文件——是备忘录和电子邮件。备忘录是一种在公司内部使用的、传统的（业务）檔。然而，随着网络技术的出现，电子邮件作为交流手段正在迅速取代备忘录。 A.正确 B.错误
