The US was more reliant on the Middle East for its oil imports last year, underscoring the critical importance of the politically-unstable region for the country despite the growing energy independence its shale gas revolution is bringing.
去年美国在石油进口方面对中东的依赖度上升,凸显出这一政治不稳定地区对于美国的重要性,尽管页岩气开发带来的能源革命使美国的能源独立性逐步上升。
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