As An Extra
 

* 1.for good measure
2.in addition to
English Related Words* an extra
* any extra fee
* could you put an extra bed in the room
* do i have to pay extra for my baggage
* extra
* extra active-service
* extra bed
* extra bit
* extra block
* extra budgetary fund
* extra capacity
* extra charge
* extra costs
* extra dividend
* extra duty