一台计算机可以和其他数十亿的电脑交谈，也可以和电视，电话，家庭娱乐系统，在不久的将来，还可以和汽车，冰箱和手表一起交流。
Computers talk with a billion other computers, as well as with TVs, phones, home entertainment systems, and soon, our cars, refrigerators, and wristwatches.
与一台机器交谈的感觉，和与真人交流的感觉仍有明显差异：你只能说某些事情，你不能打断计算机。
Talking to a machine still feels very different from talking to a person: you're allowed to say certain things, you can't interrupt a computer.
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