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https://www.whitehouse.gov/cea/written-materials/2022/07/21/how-do-economists-determine-whether-the-economy-is-in-a-recession/
您即将离开知乎，请注意您的账号和财产安全。
https://www.whitehouse.gov/cea/written-materials/2022/07/21/how-do-economists-determine-whether-the-economy-is-in-a-recession/