[] a piece of business that is done between people, especially an act of buying or selling （一笔）交易，买卖，业务◆financial transactions between companies 公司之间的财务往来◆an increase in online transactions 网上交易的增加⨁a business / financial / property / share transaction 业务／金融／房地产／股票交易⨁to carry out / complete / conduct / do / make a transaction 进行交易；完成交易；进行交易
[] the process of doing sth 处理；办理◆He broke the law by using a residential property for the transaction of business. 他违法将住宅楼用作商业活动。