(21)产品科技含量 technoligical element of a product (22)长江三角洲：Yangtze River delta (23)长江中下游：the middle and lower reaches of Changjiang River (24)超前消费:pre-mature consumption (25)城镇居民最低生活保障：a minimum standard of living for residents (26)城镇职工医疗保险制度：the system of medical insurance for urban workers (27)重复建设：buiding redundant project.duplication of similar projects (28)充值卡：rechargeable card (29)春运：passenger transport around the Chinese lunar new year (30)打破僵局：break the deadlock/stalemate