当然，即便这个爆料传闻完全属实，我们也不会真的把这些硬件全都一股脑戴在身上。你会发现，眼镜、耳机、挂饰都有摄像头，它们的能力和角色大体相同。
Раскрыты подробности похищения ребенка в Смоленске09:27
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But there are growing questions about whether the challenges he is facing could be here to stay.
原因说起来简单：这个领域没有全能王。
"For a long time, roboticists have used DC [direct current] motors to make robots move," says Mike Tolley at the University of California San Diego.