1、个人收集整理勿做商业用途 1.经济的快速发展the rapid developmentof economy2.人民生活水平的显著提高/稳步增长theremarkableimprovement/steady growthof people’sliving standard 3.先进的科学技术 advancedscienceandtechnology4.面临新的机遇和挑战 be faced with new opportunitiesandchallenges5.人们普遍认为Itiscommonly be