无风险的

Since there is no need to place collateral, these loans are a risk free option to the borrower.

由于没有必要的地方担保，这些贷款是一种无风险的借款人的选择。

Therefore, giving PDR a chance to remove your damage is a no-risk option!

因此，让共和国的机会，删除您的损害是一种无风险的选择！

A company is financed 40 percent by risk-free debt.

一家公司40%的融资是通过无风险的负债。

Deal or No Deal Practice risk-free at home.

交易或根本没有交易的做法，无风险的在家里。

In the third chapter, we assume the expected returns of the risky and risk-free assets as well as the covariance matrix of the risky assets are not exactly known, but defined by some known elements, which form the vertices of this polytope. We consider three problems, the first one is when there exists no risk-free asset in the

第三章假设风险资产和无风险资产的收益以及风险资产的协方差矩阵不是完全确定的，其相关参数属于某个已知的凸多面体，分别在市场不存在和存在无风险资产的情况下定义了稳健最优投资组合问

In this paper we assume the expected returns of the risky and risk-free assets as well as the covariance matrix of the risky assets are not exactly known, but defined by some known elements, which form the vertices of this polytope. Robust optimal portfolio problems are proposed in the market with and without risk-free asset. And the analytical solutions are given out when the covariance matrix of the risky assets are exactly known.

本文假设风险资产和无风险资产的收益以及风险资产的协方差矩阵不是完全确定的，其相关参数属于某个已知的凸多面体，分别在市场不存在和存在无风险资产的情况下定义了稳健最优投资组合问题，并在协方差矩阵确定的情况下给出了问题的解析解。

Arbitrage is a usual transaction behavior in order to make profits. It is the possibility of riskless profits.

套利是一种常见的，以获利为目的的交易行为，它是基于无风险的超额利润产生的。

If the Fed pays higher prices in the future traders can earn riskless speculative profits.

如果作为最后买家的美联储不得不在国债价格高企时进场善后，那么先前买进的人就可以赚取无风险的投机利润。

Since America is the world's largest economy, has the most liquid financial markets and operates the world's premier reserve currency, the Treasury bond has been seen as the global risk-free asset.

自从美国成为世界最大的经济体，拥有着流动性最强的金融市场以及操控着世界首要储备货币以来，美国国库券被认为是全球最无风险的资产。

Appleton's proprietary parting tool technology, along with a chip removal vacuum system, helps ensure clean, square-cuts on all plastic cores without risk of melting plastic edges.

阿普尔顿的专有临别的工具，技术，随着芯片去除真空系统，有助于确保清洁，占地削减对所有塑料芯无风险的熔融塑料的优势。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷