.. That person-- I should have maybe included that in the diagram-- that person could get 5% return with no risk.

那种人-,我也许该把种情况也包含到图里的-,他能够获得5%的无风险收益。

耶鲁公开课 - 金融市场课程节选

You'd have a higher expected return with no more variance.

你的预期收益率提高了，但风险没有增加。

耶鲁公开课 - 金融市场课程节选