介词短语能和状语从句并列吗？

遥灵天雪

The rest of the world survived partly by learning from Hollywood and partly because audiences continued to exist for a product which corresponded to needs which Hollywood could not supply.
选自剑4        

曼哈顿里说the comparable parts must be structurally and logically similar.
这个句子中by learning from Hollywood和partly because audiences continued to exist for a product虽然同做状语，但是结构上不对等，在语法中是否用的不恰当。

kiwifoodtown

从语法上来说，这句话再正常不过了。没有问题。

但是LZ要记住,你要参加的GMAT考试，所以一切以GMAT的官方标准为准。

kiwiya

同意楼上。partly ……and partly……可以这样用。