在美国中北部的版图上 ,我们可以寻找到拥有“汽车城”之称的底特律 ,“钢都”与“煤炭基地”之称的匹兹堡 ,还有曾是“重工业城市”的克利夫兰和芝加哥等。现在 ,美国经济界人士津津乐道的老工业基地振兴典范———“锈带复兴”的经济现象 ,指的就是这几大工业城市所在地区经 We can find Detroit with “Auto City”, Pittsburgh with “Steel Capital” and “Coal Base,” and Cleveland and Chicago, which used to be “heavy industrial cities,” on the North-Central territory of the United States. Now, the rejuvenation model of the old industrial base reopened by people in the U.S. economy --- the economic phenomenon of “rejuvenation of the rust belt” refers to the economic growth of the major industrial cities