了解问题的根源是解决的关键。

Liǎojiě wèntí de gēnyuán shì jiějué de guānjiàn.

Understanding the root of the problem is the key to solving it.

解决矛盾要深挖根源。

Jiějué máodùn yào shēn wā gēnyuán.

Resolving conflicts requires digging deep into the root causes.

研究人员追溯疾病的根源。

Yánjiū rényuán zhuīsù jíbìng de gēnyuán.

Researchers trace the origins of diseases.