Pinyin:? tóu táo bào làu
Source: The Book of Songs: "Give me a peach and give me a plum."
Throw me a peach and I'll give you back the plum.
Synonym:
1, reciprocity: it means paying attention to reciprocity in etiquette and treating each other in the same way as the other person treats himself.
Pinyin: lüshàng wüng láI
Source: Book of Rites Quli Merchants by Dai Sheng in the Western Han Dynasty: Rites come back and forth, and if you don't come, you will be rude.
Courtesy is reciprocated, and if you don't come, you will have it.
2, Tao A: Metaphor rewards each other.
Pinyin: táo lái lǐ dá?
Source: Poetry, elegance and pity: "Give me a peach and give me a plum."
He gave me peaches and I gave him plums in return.