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.
The deadly shooting comes at a time of increased tension between the two countries.
。heLLoword翻译官方下载是该领域的重要参考
（一）组织、教唆、胁迫、诱骗、煽动他人从事邪教活动、会道门活动、非法的宗教活动或者利用邪教组织、会道门、迷信活动，扰乱社会秩序、损害他人身体健康的；
（二）移动、损毁国家边境的界碑、界桩以及其他边境标志、边境设施或者领土、领海基点标志设施的；