Men: Men see the telephone as a communication tool.

男人：对男人来说，电话是沟通的工具。

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Men see the telephone as a communication tool for sending facts and information to other people, but a woman sees it as a means of bonding.

男人把电话看作一种向他人传递各种事实和信息的交流工具，而女人则把它视为联络感情的手段。

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English is used as a communication tool.

英语被当作一种交际工具使用。

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But maybe we should teach etiquette to guide people on the best ways to use it as a communication tool.

FORBES: Social Media Etiquette: 12 Step Checklist

When email was invented, it was used as a communication tool between scientists that were sharing mainly text messages over unreliable links.

FORBES: Authenticate This!

As a communication tool, social media has a key role in society.

FORBES: Social Media Etiquette: 12 Step Checklist