But for mobile/cell phones, our communication would not have been so rapid and convenient.

要不是有手机，我们的通信就不可能如此迅速和方便。

youdao

Currently, cellphone companies restore service knocked out by natural disasters by sending out company-owned trucks that can serve as mobile cell towers.

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Possession of a mobile or cell phone plus an airtime package does not simply allow you to send a text message to one person.

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The camp's re-engineering awards went to a group that developed a technique to alter the ID numbers on Global System for Mobile Communications cell phones and to another team that found a way to defeat a biometric fingerprint scanning system.

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