blank cheque
noun [ C ] UK (US blank check) uk/ˌblæŋk ˈtʃek/ us/ˌblæŋk ˈtʃek/
空白支票
a cheque that has been signed but does not yet have the amount of money written on it
(可供支取任何数目的)空白支票|自行处理权|全权
an unlimited amount of money, or the freedom to do anything
We know there are limits to funding and we don't have a blank cheque. 我们知道自己资金有限，是没有空白支票的。