短信爆炸的背后是我们如何看待移动设备的根本转变。
Behind the texting explosion is a fundamental shift in how we view our mobile devices.
国际癌症研究署提醒民众在通话时应使用免提设备，不要把手机贴在头部，尽可能使用短信替代通话。
IARC urged the public to use hands-free devices rather than have phones pressed against their heads, and to send text messages where possible instead of calling.
第一代移动电话是纯粹通话和短信的设备。
The first generations of modern mobile phones were purely devices for conversation and text messages.
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