精选优质文档-倾情为你奉上科技类话题高科技advanced technologysophisticated technologycutting-edge technologyhigh-tech科技的进步、发展the development of technologythe advancement of technologythe advances in science and technologythe technological innovations/ inventions/ progressions/ advances科技所带来的变化1）教育multi-media devices distance education/online class 科技所带来的变化2）工作labor-saving machineryboost/enhance working efficiencytelecommutingElectronic-commerce (E-commerce)outsou
