endorsement by procuration

例句：

1. 1. The company issued a new policy with the endorsement of its legal counsel.
   该公司在法律顾问的背书下发布了一项新政策。
2. 2. The bank required the signature of the principal to endorse the loan.
   银行要求借款人签名以背书贷款。
3. 3. The government's endorsement of the plan boosted investor confidence.
   政府对计划的背书增强了投资者的信心。