Translation of "root cause" into Chinese

The root causes were poverty, ignorance and the economic crisis, and must be addressed if the problem was to be solved.

分裂的深层次原因在于贫困、无知和经济危机,因此应该首先着手解决这些深层次原因。

The representative said that trafficking in human beings and sexual exploitation were akin to slavery, referring to globalization as a root cause for its increase.

该代表表示,贩卖人口和性剥削等同于奴役,她认为全球化是这种现象增加的根本原因。