| 词汇 | a blank check | 
| 词源 | a blank check. A blank check is one signed by the payer, leav- ing the amount to be filled in by the payee. When someone re- ceives a blank check in any situation, he or she has been given absolute control, but Weekley quotes British prime minister David Lloyd George on the term (November 1918): “To talk about a blank cheque is blank nonsense.” | 
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