尽管本文主要论述了美国霸权与世界石油的历史演变，但作者试图对美国对外石油政策和石油安全战略的变迁给予一个历史解析。
Although the primary focus remains the story of an evolution of America hegemony and world oil, I have attempted to situate the growth of America foreign oil policy and oil security strategy.
尽管本文主要论述了美国霸权与世界石油的历史演变，但作者试图对美国对外石油政策和石油安全战略的变迁给予一个历史解析。
Although the primary focus remains the story of an evolution of America hegemony and world oil, I have attempted to situate the growth of America foreign oil policy and oil security strategy.
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