基本解释风险差额同根派生 riskpremium相关词英汉例句Stocks of major corporations provided on average a riskpremium of 9.1 percent a year over the return on Treasury bills. 大型公司股票提供了一个相较短期国库券回报平均为9.;1%25一年的风险溢价。riskpremium更多例句