bill of exchange in a set

例句：

1. 1.The company issued a set of bills to settle the debt.
   该公司发行了一套票据来清偿债务。
2. 2.The bank issued a set of bills for the new project.
   银行为新项目发行了一套票据。
3. 3. The government issued a set of bills to regulate the market.
   政府发行了一套票据来监管市场。