西北大学经济学教授Paola Sapienza表示，如果美国拖欠债务，或者债务信誉等级降低，任何预算削减都是不可能的。
Northwestern University Economics Professor Paola Sapienza says any savings from budget cuts could become irrelevant, if the U.S. defaults on its debt, or receives a credit rating downgrade.
西北大学经济学教授Paola Sapienza表示，如果美国拖欠债务，或者债务信誉等级降低，任何预算削减都是不可能的。
Northwestern University Economics Professor Paola Sapienza says any savings from budget cuts could become irrelevant, if the U. S. defaults on its debt, or receives a credit rating downgrade.
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