Chinese characters buy gifts and return pearls. The Chinese pinyin m m 4 I d ú huá n zh is a metaphor for people who have no vision and make improper choices. It also satirizes those who don't understand the essence of things, abandon the roots and pursue the end, and abandon the Lord for the second time. Buying gifts and returning pearls, an ancient idiom in China, comes from Han Feizi. The original intention is to buy jewelry and leave only beautiful boxes, without real high-value jewelry. Often used as a metaphor for lack of foresight and improper choice.