service zone的用法和樣例：
例句
- The subscriber you dialed is out of the service area at the moment.
您撥打的號碼已離開(kāi)服務(wù)區。 - OTO FORTUNE customers enjoy exclusive access to OTO Service Centres in selected cities nationwide.These service centres offer a private and graceful environment for you.
全國范圍沃德財富服務(wù)中心或沃德財富服務(wù)區專(zhuān)為尊貴的您而設，環(huán)境優(yōu)雅舒適，空間私密安全，隨時(shí)歡迎您的親蒞。
