擴充工廠、開立分店、顧客增加、擴張門市等，都是擴大交易的.絕佳機會。逢此機會時，可以應用這封信。
Dear Sirs,
We are pleased to inform you that we have now enlarged our business machines department and are considering the addition of new lines to our stock.
Your various typewriters and calculators would fit in well.
Please send a complete range of catalogs and samples which are in production. We expect you to quote your lowest prices and would like to know whether you can supply from stock.
If we decide to put your goods into the market we want your assurance that you will not sell them to other firms in Taipet.
We look forward to your early reply.
Yours faithfully,
敬啟者
很高興通知您，本公司現在擴充事務機器部門，並考慮增加新的庫存貨品。
貴公司的各種打字機及計算機非常適合。請寄一份製造中全部種類的目錄及樣品來。希望您以貴公司最佳價格報價，並希望您告知能否從庫存中供應。
若我方決定將貴產品引進市場，希望貴公司保證，不將產品銷售給臺北的其他公司。
敬上
舉一反三
We are indebted for your name to Messrs.A & Co., who informed us that you are one of the largest manufacturers of bicycles. ——承蒙A股份有限公司告知貴寶號，非常感激，彼通知我方，貴公司是最大型的自行車製造商之一。
We wish to know the full details of your goods, prices and other terms. ——我方希望獲知貴方商品的充分詳情、價格及其他交易條件。