Xiǎoshíhòu dàjiā dōu xué guò wūyā hē shuǐ de gùshì.
Everyone learned the story of the crow drinking water as a child.
Tips
culture
Aesop's fable retold in Chinese primary-school textbooks: a thirsty crow drops pebbles into a tall jug to raise the water level. Used as a go-to example of 开动脑筋 (using your brain) and lateral thinking.