blank cheque
(a) signed cheque with the amount to be paid left blank, for the payee to write in (由受款人自行填寫金額的)空白支票.
(b) (fig 比喻) complete authority to do sth 對某事可全權(quán)處理
The architect was given/presented with a blank cheque to design a new city centre. 設(shè)計師被授予全權(quán)設(shè)計一個新的城市中心區(qū).