商务信函：
日期1. may 25, 2017.
2. 25 may, 2017.
称呼1. dear mr./dear mrs/dear ms
2. dear ms. brown/ dear anna brown.
3.dear sir /dear madam/ dear sir or madam
正文1.task1: acknowledging her letter;
2. task2:showing interest in one particular software produt;
3. task3: enquiring about the possibility of a demonstration at your premises.
结尾1.sincerely yours, yours sincerely
签名1. shirley johnson
商务邮件四要素：
缩进式：
每一段缩进相同字符。
全齐头格式 利于查找信息。每段空一行。
to apologize for the mistake.
i am writing to apologize for the mistake about the garments that we sent you in the shipment of march 10th.
we will immediately investigate your order and the invoice to check whether or not the t-shirts, pants, and shorts are in wrong sizes, colors and materials.
if the investigation proves that we did send wrong garments, we will re-send right ones, and compensate for all your loss. we apologize again, and you will find that our servece is reliable as ever.
yours sincerely,
jan zhao
your earliest reply would be appreciate
with allow me
禁用表情符号，网络用语，俚语
重心突出
语言正式、礼貌
i hope you can rep soon
your ear rep would be appreciate(被动语态）
allow me ... please...
because.
简洁多样 重心突出
灵活过渡词
i broke the glass
the glass was broken by me
撰写信函
summary for the task
I am writing to apologize for the mistake
we will immeiately investigate your order and the invoice to check whether or not the t-shirts, pants and sorts are in wrong sizes, colors and materials.
if the investigation proves that we did send wrong garmengts we will re-send right ones, and compensate for all your loss. we apologize again, and you will find that our service is reliable as ever.
your sincerely,
jan zhao.
