Group workCan robots only do good things for us?Please discuss the advantages and disadvantages of robots in groups.Language points 1. mend 和repair都有“修理”的意思, 但它们的用法有区别。mend则指不用复杂的技术和工具进行的“修理”, 比如修补破洞, 裂痕等。它的宾语通常是衣服, 桌椅和玩具等。e.g. He often mends toys for his little brother. 他经常帮弟弟修玩具。repair是指需要一定的技术, 对比较复杂的东西进行“修理”。它的宾语通常是汽车、房子、机器等。e.g. ..