Naval Courier Service的用法和樣例：
例句
- My mailbox eventually had a rural address,and the job of hand-delivering candy and cards was relegated to the U.S.Postal Service.
我的信箱終於有了一個鄉下的地址，原來親手贈送糖果和賀卡的工作都歸了美國郵政局管。 - Around Thanksgiving, they start pouring in by the thousands each day as Christmas approaches.Even stampless letters get through, a rare exception for the US Postal Service.
感恩節前後，隨著聖誕節的臨近，每天有數千封信件湧入小鎮，甚至還有一些信件沒有粘貼郵票，這在美國郵政局的服務中是非常罕見的。
