特朗普的目標則一如既往地反覆多變。今年1月，他曾對伊朗示威者表示，援助即將到來。當時美國海軍正忙於針對委內瑞拉領導人採取行動，使他缺乏其他軍事選項。
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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.