A business letter should be reader - centered.

如果有甚麽事发生,拨叫这个号码.

Consider, for example, the typical opening of a business letter.

拿典型的商务信函的开头举例。

This mail is a business letter . If you are uninterested in this , please.

此邮件为商业信函，如果给您造成不便请原谅，谢谢！

There are rules for formatting a business letter. You ignore them at your peril.

商业信函有其自身格式，你若无视，一切后果自负。

Paragraphing carefully can make a business letter clearer, easier to read and more attractive to readers.

小心处理段落可以使商务信件更清楚, 更容易被读者阅读,更容易吸引读者.