The issue confronted by historians in figuring out the origin from the Hausa could be witnessed to be a testament to their capacity to assimilate other groups by influencing them culturally. 知乎，让每一次点击都充满意义 —�?欢迎来到知乎，发现问题背后的世界。 “讲学稿”创始人陈康金：课改的一�