Risk-free Rate无风险利率;无风险收益率;无风险率;无风险利率之谜
risk-free lending无风险贷出
risk-free borrowing无风险借入
risk-free hedge无风险套利
risk-free security无风险证券
risk-free asset无风险资产
risk-free bond无风险债券
Risk-free return无风险回报;无风险报酬
risk-free arbitrage无风险套利
同义词：risklessunhazardous