专业英语四级同义词50组（3）
(事) thing: An event, a fact, a subject.
He talked of many interesting things.
(事情) matter: Seth that you have to deal with, something to be discussed, thought over.
There are several matters to be dealt with at the meeting.
(事务 责任) business: A special duty, something that has to be done.
Public business is every one's business.
(事务) affair: An event or set of connected events. (pl) private and personal life.
I have many affairs to look after.
(事件) event: An important happening. Events such as birthdays and anniversaries are often celebrated.
Do you know the chief events of 1986.
incident: Not as important as an event. Incidents seldom are celebrated. Sometimes an event becomes an incident after many years have passed.
(偶然事件) happening: An occurrence, and sometimes an unusual one.
There have been strange happenings here lately.
(偶发事件) occurrence: An incident that is usually unexpected and has not been planned ahead of time.
Flood is practically an annual occurrence in this district.
