Some blame the Organization of Petroleum Export Countries, the cartel known as OPEC, while others blame unrest in the Middle East and North Africa and still others blame market speculators.
一些人指责石油输出国组织欧佩克，一些人将此归咎于中东和北非的混乱局势，而另一些人则把矛头指向了投机商。
Some blame the Organization of Petroleum Export Countries, the cartel known as OPEC, while others blame unrest in the Middle East and North Africa and still others blame market speculators.
一些人指责石油输出国组织欧佩克，一些人将此归咎于中东和北非的混乱局势，而另一些人则把矛头指向了投机商。
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