代发工资合约签约的英文常用表达为:"Sign the Payroll Disbursement Agreement" 或 "Execute the Salary Payment Agency Contract"。 其中: Payroll Disbursement Agreement 是最通用说法,指企业与银行签订的工资代发协议; Salary Payment via Bank Mandate 也可用于描述该业务关系; 签约动作可用 sign, enter into, 或 execute。 例句:The company has signed a payroll disbursement agr