例句與造句

1. Unlike Cingular and AT & T Wireless, which share common network operating systems, Sprint and Nextel operate totally different systems that make it impossible for a subscriber to one carrier to roam onto the network of the other.
2. Unlike Cingular and AT & amp; T Wireless, which share common network operating systems, Sprint and Nextel operate totally different systems that make it impossible for a subscriber to one carrier to roam onto the network of the other.
3. It's difficult to find common network operating in a sentence. 用common network operating造句挺難的