Humphrey School of Public Affairs

Another way to compare cities is one economic or social segment at a time, such as transportation or industry, said Anu Ramaswami, a professor of science, technology and public policy at the Humphrey School of Public Affairs of the University of Minnesota.

另一种比较的方法是一次只比较经济或社会的一个层面，比如运输或工业。明尼苏达大学（University of Minnesota）亨弗里公共事务学院（Humphrey School of Public Affairs）科学、技术和公共政策教授阿努·拉马斯瓦米（Anu Ramaswami）说。