The robot is a device that is designed to do the work of a human being, but it is not a human being.
机器人是一种被设计用来完成人类工作的设备，但它并不是人类。
Freedom would be not to choose between black and white but to abjure such prescribed choices.
Gunpowder is not just a tool of destruction, it can also be a medium for creation. 火药不仅是破坏的工具，它也能成为创造的媒介。