What does the author say about energy independence for America?
出自-2014年6月阅读原文
Why does America rely heavily on oil imports
出自-2014年6月阅读原文
Since 2007 America has shed 5 million jobs.
出自-2013年6月阅读原文
英英词典释义
Noun
1. North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776