一个凭单系统帮助维护控制现金支付。
A voucher system helps maintain control over cash disbursements.
这是一封有关还盘的书信，要求得到较宽的支付条款。例如，货到后凭单付款，而不是凭保兑的、不可撤销的信用证付款。
This letter is about a counter-offer, asking for easier payment terms, e. g. cash against documents on arrival of goods instead of by confirmed, irrevocable letter of credit.
1690年，马萨诸塞发行第一批取款凭单向士兵支付酬劳。
In 1690, Massachusetts issued the first bills of credit to pay soldiers.
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