time.sleep(2 ** attempt) # 指数退避
Last year, Ford set a new industry record: It issued 152 safety recalls, almost twice the previous high set by General Motors back in 2014. More than 24 million vehicles were recalled in the US last year, and more than half—13 million—were either Fords or Lincolns. By contrast, Tesla issued 11 recalls, affecting just 745,000 vehicles.
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2024年12月25日 星期三 新京报，详情可参考WPS官方版本下载
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