ad hoc
adjective [ before noun ] uk/ˌæd ˈhɒk/ us/ˌæd ˈhɑːk/
特别的;专门的;临时安排的
made or happening only for a particular purpose or need, not planned before it happens
on an ad hoc basis We deal with problems on an ad hoc basis (= as they happen). 我们应对问题的方式是只要出现就随时解决。
an ad hoc committee/meeting 特别委员会／会议