signed and sealed
US /saɪnd ænd siːld/
UK /saɪnd ænd siːld/
1.
签署并盖章, 正式完成
officially and legally completed, especially a document or agreement
:
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The contract is now signed and sealed, so we can proceed with the project.
合同现在已经签署并盖章，所以我们可以继续项目了。
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After years of negotiations, the deal is finally signed and sealed.
经过多年的谈判，这项交易终于签署并盖章了。