transaction
/trænˈzækʃən/noun
1- an instance of buying or selling something; a business deal交易; 业务：
in an ordinary commercial transaction a delivery date is essential.
在普通商业交易中, 交货期至关重要。
1.1
- mass noun the action of conducting business交易行为。
1.2
- an exchange or interaction between people（人与人之间的）交流, 相互影响：
intellectual transactions in the classroom.
课堂上的知识交流。
1.3
transactions
published reports of proceedings at the meetings of a learned society（学术团体会议的）议事录, 公报。
1.4
- an input message to a computer system that must be dealt with as a single unit of work事务（元）, 事项。
派生词
transactional
adjectivetransactionally
adverb词源
late Middle English (as a term in Roman Law)： from late Latin transactio（n-）， from transigere 'drive through' （see TRANSACT）.