With less than a week until Election Day, the Obama and McCain campaigns are making late pitches to voters in key states like Florida and elsewhere.
距离大选只剩不到一星期了，奥巴马与麦凯恩的竞选团队都在例如佛罗里达州这样的关键州里加紧游说选民。
2
One of the key ideas fueling HSR is that the U.S. in the 21st century has grown beyond a country of cities and suburbs to what urban-studies expert Richard Florida calls "mega-regions."