A mobile phone is one of the quickest tools for us to exchange information.

一个手机是为我们最快的工具之一，以交换信息。

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Phone is my business with the tools to exchange and communication.

手机是我在业务上与人交流和沟通的工具。

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Phone is my business with the tools to exchange and communication.

手机是我在业务上与人交流和沟通的工具。

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