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最大的页岩油生产商倒下了，美国政府不得不出手了。新冠不可能造成经济危机，页岩油会拖垮银行，造成经济危机

Shale producer Whiting Petroleum, which was once the largest oil producer in the US state of North Dakota, filed for bankruptcy on Wednesday. The company said it had worked to cut costs and would continue to operate under a restructuring plan.