但这样的无风险套利机会是不存在的。
The potentialfor arbitrage means such profits cannot be earned.
对此套利组合的分析结果表明：只要存在无风险套利机会，无论风险投资者的偏好如何，都能在不增加风险的基础上，获得较高的收益。
The result about the analysis of the portfolio shows that as long as arbitrage chance exists, each investor can get higher income, not increasing risk, no matter he is a risk averter or seeker.
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