But if robots are to reach the next stage of laborsaving utility, they will have to operate with less human supervision and be able to make at least a few decisions for themselves -- goals that pose a real challenge. “While we know how to tell a robot to handle a specific error,” says Dave Lavery, manager of a robotics program at NASA, “we can’t yet give a robot enough ‘common sense’ to reliably interact with a dynamic world.”

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　　但是如果机器人要达到节省劳力效用的下一个阶段，他们将需要在更少的人力监督下工作，并至少能够自己做出一些决定——这些目标造成了真正的挑战。“虽然我们知道如何让机器人处理特定的错误，”美国航天航空局的一个机器人项目经理戴夫·拉威利说，“我们还不能给机器人足够的’常识‘来与动态世界进行可靠的交流。”