Interaction and Collaboration services — Presents a service or set of services to a human user through a browser, PC, mobile device, voice response system, etc.

互操作和协作服务——通过一个浏览器、PC、移动设备、语音响应系统等等，将一项或一组服务呈现给某个人工用户。

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In essence phones are becoming multimedia endpoints that directly integrate with and complement all that a user does on their PC.

事实上电话正在成为多媒体终端，它们直接集成用户在PC上完成的所有工作，并加以补充。

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The amplifier can be connected to the PC via Bluetooth, so the user doesn't have to sit next to the PC.

该放大器可以通过蓝牙连接到电脑，这样用户就不必坐在电脑旁边。

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For instance, in a war-themed video game, a PC-user might be executing attacks, while another player on his iPhone at the same time might be coordinating communications between the virtual fighting units.

FORBES: EA To Launch Online Social 'Need For Speed' This Summer

The problem with Windows 8 is that Microsoft decided to shove a highly inefficient touch-based user interface onto millions of PC users using non-touch desktops and notebooks.

FORBES: Why Windows 8 Is The First Windows Release I Absolutely Hate

Viveros said there's a growing number of remote access Trojan programs sent via e-mail that can open the backdoor to a user's PC and gather log-ins and passwords to company intranets.

CNN: New 'Trojan Horse' strain may go mainstream