波士顿作为美国重要的工业都市区在20世纪20~80年代经历了持续的衰退，直到20世纪末基于产业领域的知识创新和以坎布里奇市为核心的高等教育人才与机构创新势能的释放，方才实现城市转型发展，成为美国领先的创新城市。
As one of the most important metropolitan area, Great Boston has been suffered from long lasting recession from 1920s to 1980s.Until the end of 20 century, based knowledge innovation and the rise of Cambridge as Central Intellectual District of Great Boston Area, the city has made a successful economic transition and become one of the leading innovation hubs of the America.
