blank cheque
空白支票，表示无限制或不受限制的权力或自由。
书面/口语·形容无限制的权力或自由
英文释义
complete freedom or authority to take any action or make any decision without any limitations or restrictions
例句
The CEO gave the team a blank cheque to develop the new product however they saw fit.
典故来源
源自金融领域，空白支票可填写任意金额，引申为赋予某人完全的自由或权力。