小編要和大家分享的是商務英語中級寫作指導：說明原因、說明你所能做到的、引入主題以及信件結尾。希望能對大家的商務英語中級寫作備考有所幫助!
BEC中級寫作指導之說明原因：
This is owing to …、due to …、a result of … 、because of …
注：owing to 通常用於不好的消息。如果想在原因中使用動詞，請加上the fact that的從句。
環境：
increase prices --- fall of the dollar
We have been force to increase our prices. This is owing to the fall of the dollar.
Delay the delivery of the goods --- strike by airline pilots
We have been forced to delay the delivery of the goods. This is owing to the strike by airline pilots.
Increase all salaries by 10% --- rise in sales
We are able to increase all salaries by 10%. This is the result of a big rise in sales.
Cut all salaries by 10% --- fall in sales
We have been forced to cut all salaries by 10%. This is due to the fact that there has been a fall in sales in the past ten months.
Cannot deliver your new order --- we have not received your payment fro the last order
We regret that we are unable to deliver your new order immediately. This is owing to the fact that we have not received your payment for the last order.
Cancel the meeting --- a lot of staff have been ill
BEC中級寫作指導之說明你所能做到的
說明你所能做的'和不能做的：
We are unable to …
We are able to …
We have been forced to …
環境：
You cannot lower your prices.
We regret that we are unable to reduce out prices.
You have had to raise your prices because the government has increased the sales tax.
We have been forced to raise our prices because the government has increased the sales tax.
However, you can give them a discount of 5% if their order is for more than $8,000.
We are able to give you a discount of 5% if your order is more than $8,000.
With regard to their second question, you cannot accept payment in Egyptian pounds but you can accept US dollars or Euros.
We are sorry that we are unable to accept payments in Egyptian pounds but we are able to accept US dollars or Euros.
We have been forced to cancel the meeting. This is because some members of our staff have been ill.
BEC中級寫作指導之引入主題
引入主題：
With reference to …
Further to …
With regard to …
I am writing in connection with …
注：引入主題的句子可以被寫在信件的開頭，但with regard to 不能用於信件的開頭。
環境：(How would you start a letter about each of the following?)
an invoice (No. 679) for a photocopier
With reference to Invoice No. 679, we regret to tell you that the product arrived in bad condition.
a meeting you had with the addressee on Jan. 16th
Further to the meeting on 16 January, I am delighted to tell you that we are now able to give you a special offer for our Peach Series computer.
an advertisement in the times newspaper
I am writing in connection with the advertisement in the times newspaper yesterday.
an application for a post as secretary in your company
I am writing in connection with your application for a post as secretary in our company.
a fax order for six computers that you received today
with reference to your fax order for six computer, I regret to tell you that they are out of stock at present.
BEC中級寫作指導之信件結尾：
一般結尾：
I look forward to receiving your reply/order/products/ect.
Looking forward to hearing from you.
如果你在信件中提供了信息：
I hope that this information will help you.
Please contact me if you need any further information.
Please feel free to contact me if you have any further questions.
Please let me know if you need any further information.