特朗普向美国最高法院上诉，要求维持其全球关税政策！如果特朗普败诉，可能迫使美国退还数百亿美元已收关税

Core Points - The Trump administration is requesting the Supreme Court to expedite the review process, with arguments scheduled for early November [2] - A federal appeals court ruled that Trump cannot invoke a 1977 law designed for national emergencies to impose large-scale import tariffs [2] - This case is projected to be one of the largest ever reviewed by the Supreme Court, with potential implications for the current average effective tariff rate of 16.3%, which could be reduced by at least half if Trump loses [2] - A loss for Trump could also lead to the refund of hundreds of billions of dollars in tariffs already collected and may disrupt preliminary trade agreements made with certain countries [2] - The federal appeals court has allowed the tariffs to remain in effect while Trump seeks Supreme Court review [2]