principal sum of the bill of exchange

例句：

1. 1.The principal sum of the bill of exchange is the amount due to the drawer.
   汇票的主要部分是到期应付给出票人的金额。
2. 2.The company's main sum of assets is its inventory.
   该公司的主要资产是其库存。
3. 3.The teacher asked for the principal sum of the class to be raised before the meeting.
   老师在会议前要求提出班级的主要资金需求。