A robot is a machine designed to do jobs that are usually performed by humans.
机器人的设计是为了让它代替人类做通常只有人类自己能做的工作.
He had opened the curtains that night so that the other women would see him and Claire ,knowing that there was no risk to Claire′s marriage
那晚他打开了窗帘,以便让另一位女士看到他和克莱尔,
并且知道克莱尔的婚姻是没有风险的.(这是字面意思,要完全翻译出来必须结合语境了)