究其根源，主要是主体意识的恶性膨胀。

The cause lies in the undesirable extension of subject consciousness.

究其根源，经济贫困是表象，而文化贫困才是深层次的原因。

The fact is: economic deprivation is superficial symptom, cultural poverty is deep-seated reasons.

究其根源主要在于道德内化不力，而道德内化不力又滥觞于人的主体意识的缺失。

To trace these phenomena to their sources, it mainly because the moral innerization is weak, while the weak moral innerization will cause the lack of human's subject consciousness.