(2002, text 2)
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.
句子结构
条件状语从句：But if robots are to reach the next stage of laborsaving utility
主干：they will have to operate with less human supervision and be able to make at least a few decisions for themselves
补充说明：goals...
定语从句：that pose a real challenge（修饰限定前面的goals）
词汇学习
laborsaving 节约劳动力的
utility [ju:'tɪl.ɪ.ti] n. 功用，效用，实用；公用事业〔如煤气、电力等〕；
operate ['ɒp.ər.eɪt] v. 工作，运行；运作；操作；起作用
supervision [ˌsu:.pə'vɪʒ.ən] n. 监督，管理，指导
pose [pəʊz] v. 造成，引起（尤指问题或困难）；提出问题；摆姿势
词汇拓展
原文重现
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.
句子翻译
但是如果想机器人更深入地实现节约劳动力的效用，它们就必须要能在更少的人工监控下运行，且至少能独立地做一些决定，这些目标会引起真正的挑战。
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