Let's put zero here because these are not gross returns these are returns, so they're often negative.

这里做零点,注意这不是总收益,而是年度收益,有可能是负数的

耶鲁公开课 - 金融市场课程节选

If we have an annual return that we're looking at, we can find a completely riskless asset with an annual return-- it would be a government bond that matures in one year.

如果我们可以查看各项资产的年度收益，我们可以找到一个零风险,且达到预期年度收益的资产项目-,也许是一年期的政府债券。

耶鲁公开课 - 金融市场课程节选

This course is one of the seven courses chosen to begin the Yale University Open Educational Resourse Vidio Lecture Project And what's this means is, that when the year's over these vidioes well be on the internet, free for anybody who wants to see them.

本课程是"耶鲁大学公开视频课程计划",的七个实验课程之一,那么这也就意味着,在本年度结束时,所有的视频录像都会在网上,免费对所有人开放

耶鲁公开课 - 心理学导论课程节选