holdover

名词 holdover:

1. an official who remains in office after his term
   同义词：hangover
2. something that has survived from the past
   同义词：hangover

hold.o.ver

n.（名词）
One that is held over, especially an officeholder who is retained after an expired term of office.
期满后续任者：在任期满后被留下来继续担任职务的人