翻译一句话

Another big thinker in the microfinance community, Mark Schreiner (2002), suggests that the
duality between the poverty approach and the self-sustainability approach is perhaps too simplistic.求高人翻译

Another big thinker in the microfinance community, Mark Schreiner (2002), suggests that the
duality between the poverty approach and the self-sustainability approach is perhaps too simplistic.
（稍微留意了一下 Mark Schreiner的背景，勉强理解成信用评级方面~~）
翻译：
Mark Schreiner (2002)，小额贷款界的另一位大思想家认为，分成贫穷信用评级和自我维持信用评级这两重性似乎把问题看得过分简单化了。

poverty approach and the self-sustainability approach中的approach翻译成信用评级吗

approach是我个人理解的，因为没有上下文context。但是从Mark Schreiner背景上看可以这样理解，仅做参考！

小额信贷界中的另一个大思想家，马克施赖纳（2002年）建议 用二重性的方法把
程度分为贫穷和自我维持是简单了