cancellation ratio

例句：

1. 1. The company's profit margin has decreased significantly due to the high cost of raw materials.
   由于原材料成本高，该公司的利润边际已经显著下降。
2. 2.The government is considering implementing a new policy to reduce the cancellation ratio of student loans.
   政府正在考虑实施一项新政策，以降低学生贷款的取消比例。
3. 3. The reduction in the cancellation ratio has led to a decrease in the number of unpaid invoices.
   取消比率的减少导致未付发票数量的下降。