[] 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。▸transactional /trænˈzækʃnl/