formal receipt的用法和樣例：
例句
- We now have the pleasure to enclose our formal receipt, which we trust you will find in order.
同函奉上正式收據一紙，請查收為荷。 - We can accept the tax payments and issue you an official receipt for your records, what we call a Federal Depository receipt.
我們能夠接受納稅款項併發給您一張正式收據作為您的原始記錄，這樣的收據我們稱為聯邦存儲收據。
