Because of something especial, professional scanners are very different with home-scanners and office-scanners in hardware and driver software, such as the switch of device and image combine.

因为特殊的需求，与普通家用和办公扫描仪相比，专业扫描仪在硬件和驱动软件上都存在着很大的不同，比如设备的切换、图像的拼接等等。

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Many believed that new technology would liberate us from the office but has it instead just blurred the line between work and home, leaving little time for employees to switch off.

BBC: Get a life