欲海龟的注意了：
。。。company ORC Worldwide. The firm recently compiled for BusinessWeek a ranking of 55 cities (the top 20 of which make up this slide show) outside the U.S., Canada, and Western Europe that might qualify as hardship posts based on a set of criteria that includes levels of pollution, disease, political violence, and availability of goods and services.
http://images.businessweek.com/ss/09/03/0304_difficult_cities/13.htm