Introduction to exchange:
DuiHuà n, exchange of different currencies.
1). It means that two currencies are exchanged in a certain proportion. "Literature Comprehensive Test Coin II": "Shangshu saves words, and there are many people who steal ten coins from various roads in the southeast, but Guangnan Fujian Road does not exercise ten coins, and some people change to other roads."
(2). Generally refers to exchange, exchange. Li Qingyu's "Follow the Fate, Song and Pattern": "Life is married to Dan, and it is normal for the outside world to be either parents or aunts; However, times have changed and the situation is still difficult, and we have to accommodate it. " My humble opinion on Xu Teli's establishment of parks: "I hope my parents will sacrifice part of their property, and I hope that the provincial Council and the provincial office will choose a considerable place for exchange, so that most parks will be established within the provincial wall at the same time."
Widely used in banks and some virtual worlds.