When much research effort was paid and much fund was invested into the research of credit risk, many new models and methods have been developed and put into practice.

随着研究力度的加大和投入的不断增多，新的模型和方法不断涌现，新的信用风险度量手段也不断付诸实践。

youdao

When much research effort was paid and much fund was invested into the research of credit risk, many new models and methods have been developed and put into practice.

随着研究力度的加大和投入的不断增多，新的模型和方法不断涌现，新的信用风险度量手段也不断付诸实践。

youdao