СюжетСтоимость нефти:
They still dare to hope that Khamenei's days, and his system, are numbered.，推荐阅读新收录的资料获取更多信息
，详情可参考PDF资料
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In addition, the U.S. can’t simply turn all of its crude oil into gasoline. That’s because most of the oil produced in the U.S. is light, sweet crude, and refineries on the East and West coasts are primarily designed to process heavier, sour crude. As a result, the U.S. exports some of its crude oil and imports some refined products such as gasoline.，这一点在新收录的资料中也有详细论述