If an economist were asked which of three groups borrow most--people with rising incomes, stable incomes, or decreasing incomes, his probable answer would be those with decreasing incomes.

【参考答案】

假如让经济学家回答在三组，即收入逐渐增多、收入稳定与收入逐渐减少的人群中哪一组借债最多，他的答案很可能是收入逐渐减少的一......

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