confirmation letter的用法和樣例：
例句
- Upon receiving your letter of confirmation we will arrange for the contract to be drawn up and sent to you for signing.
俟收到貴方確認函，我方即安排簽署合同事宜，並寄貴方以便簽署。 - I will be here for another two weeks and would appreciate a comfirming letter from you before my departure.
我還會在這裡呆兩個星期，如果能在離開前得到你的確認函我將不勝感激。
