次级和简易型贷款的债务人不均的信用记录使得很难用模型精确算出违约率。
The patchy credit histories of subprime and low-documentation borrowers made it hard to model default rates accurately.
次级和简易型贷款的债务人不均的信用记录使得很难用模型精确算出违约率。
The patchy credit histories of subprime and low-documentation borrowers made it hard to model default rates accurately.
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