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1. Thecompany issued a double endorsement to thenew hire, promising that they would besupported by both their immediate supervisor and theHR department.
公司对新员工进行了双重背书，承诺他们将得到直接主管和人力资源部门的全力支持。
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2. The bankprovided a double endorsementfor the loan, which meansthat the borrower has two different partiesvouching for the loan'srepayment.
银行为这笔贷款提供了双重背书，这意味着借款人有两家不同的机构作为贷款偿还的担保。
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3. The insurance company offered adouble endorsement for the policyholder's claim, ensuring that the claim wouldbe processed with greater efficiency and speed.
保险公司为保单持有人的索赔提供了双重背书，确保索赔将得到更高效、更快的处理。