Root and root
The root of a tree is tied to the stem. Metaphorical relationship is intricate and firm. In the history of the Song Dynasty, biography of treacherous officials II, Cai Jing, it is said that "the heart of suffering from loss is omnipresent, the root of the problem is hard to get rid of."
Chinese PinYin : gēn zhū jié pán
Root and root
Reward the same and punish the different. shǎng tóng fá yì
a pressing matter of the moment. dāng wù zhī jí