To date neither the causes nor the cure of this highly disabling disease have been identified.

目前关于这种高致残性疾病的病因及治疗都还不甚明了。

youdao

To date neither the causes nor the cure of this highly disabling disease have been identified.

目前关于这种高致残性疾病的病因及治疗都还不甚明了。

youdao