usuriousness

例句：

1. 1. The bankcharged a high interest rate on the loan.
   银行对贷款收取高额利息。
2. 2. The company's profit margin is 20%, which is a reasonable interest rate.
   公司的利润率为20%，这是一个合理的利率。
3. 3.The government has introduced a new policy toreduce the interest rate for small businesses.
   政府已经推出了一项新政策，以降低中小企业的利率。