For US energy companies, however, there are huge practical difficulties to be overcome. Venezuela's state-owned oil company, PDVSA, is a shadow of its former self.
Mat Smith for Engadget
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原因说起来简单：这个领域没有全能王。
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“First and foremost, I’ve given absolutely everything I have as an Ottawa Senator — blood, sweat and tears,” Tkachuk said. “When you represent the U.S., being an American, it’s an honor. There are only three teams that have won the gold medal for the U.S., so to be part of that is special.”，推荐阅读同城约会获取更多信息
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