1. Accumulate sand into towers: gather fine sand into towers. Originally refers to children's tower-stacking game. From "Miao Fa Hua Lian Jing Convenience"; Sand accumulation: the accumulation of sand; Pagoda: form a pagoda;

2. Many a mickle makes a mickle: Although the skin under the fox's armpit is small, it can be made into a fur robe when gathered together. From Shen Zizhi. ; Set: set, collect; Axillary hair: Axillary hair refers to the hair under the fox's armpit; Autumn: fur robe; In two words, many a little makes a mickle.