(idiom) north and south sides of the [[长江|長江|chang2 jiang1]]; used to mean the entire country or all over China

Literally means the Yangtze River flows east; used as a metaphor for the unstoppable passage of time or an irresistible historical force

Oe Kenzaburo (1935–2023), Japanese novelist and winner of the 1994 Nobel Prize in Literature