星級典句:
第一句: I was very concerned when I received your letter yesterday.
我對昨天你的來信非常關心。
A: I was very concerned when I received your letter yesterday complaining that the central heating system in your new house had not been completed by the date promised.
昨天收到你的來信，抱怨你新家的中央供暖系統未按規定時間裝好，對此我非常關心。
B: What's that?
那時候什么？
A: A letter of apology.
一封道歉信。

第二句: We are sorry we cannot send you immediately the catalogue and price list.
對您所要的目錄和價格單，很抱歉不能馬上過去。
A: We are sorry we cannot send you immediately the catalogue and price list for which you asked in your letter of March 10.
來信所要的目錄和價格單，很抱歉不能馬上過去。
B: Why?
為什么？
A: Supplies are expected from the printers in two weeks and as soon as we receive them, we will send you a copy.
印刷商兩周后供貨，一旦收到，我們將給您寄去一份。

其他表達法:
Dear Mr./Ms,
I was very concerned when I received your letter yesterday complaining that the central heating system in your new house had not been completed by the date promised.