Basic explanation

1. [Trade]: the general term for buying and selling.

2. [Change]: Change; change

The stars are wrong, and the transaction is high.

detailed description

1. Deal, buy and sell.

"Mozi Order": "Raise the people to want property and millet, and all traders will die with Jia Yu." "A Brief Biography of Fan Zhen and Liu Cong in the New Tang Dynasty": "From admonition, sexual luxury, decoration room and horse. No foresight, good deal. " Qing Li Yu's "A clever gathering is difficult to judge": "People who are good at business are used to trading on weekdays." Bing Xin's "Send another little reader" VI: "Venice is one of the three major ports for trade between Italy's east coast and the East."

2. Switch around.

"The History of the Later Han Dynasty Xu Yuchuan": "Tomorrow, I will learn that Chen Qizhi's soldiers have left Dongguomen and entered Beiguomen, and it will take several weeks to trade clothes." Song York's "Calling Heaven to Distinguish False" Volume III: "Sun Yong" makes full use of the grave, and the right and wrong of the transaction is not worth the loss, which is ironic. "Preface to the Chronicle of Wen Jian in Qing Dynasty:" After the Bohai Sea and Gu Zhan traded, they wanted to make up old paper with scraps, so as to keep the hearts of people who had not died for 300 years. "

3. Contact contact.

Li Yu s Intentional Poison Bait in Qing Dynasty;