49.环保，节能

　be environmentally friendly, energy-saving

48.到拥护的商店寻找必须品

　 search a crowded store for basic goods

47.当前的趋势表明了 current trends indicate

46.把购物与娱乐相结合

　combine shopping with fun

45.当代社会的主要趋势　

the major trends in contemporary society

44.窥测未来　 catch a glimpse of the future

43.购物付款 pay for their purchases

42.预测未来的发展

make forecast about future developments

41.未来的生活会是什么样

　what life will be like in the future

40.使用智能卡　 use smart cards