I could imagine no one else in the world has said this before.

我可以想象此前世上并无他人说过这话

耶鲁公开课 - 心理学导论课程节选

You know, you've seen, and there are some products where they sell themselves as no-ad products.

你知道，你也见过，有的产品销售的时候号称无广告产品。

广告和价格的关系 - SpeakingMax英语口语达人

Tangent means that it has the same slope, it just touches the efficient portfolio frontier for risky assets at one point, and the slope of the efficient portfolio frontier, including the riskless asset, is a straight line that goes through the tangency point, here.

相切意味着斜率相同，它与包含风险资产的有效边界,交与一点，而包含无风险资产的，有效边界，则是一条过切点的直线，切点在这里。

耶鲁公开课 - 金融市场课程节选

I don't know if you've seen this no-ad sunscreen for instance.

我不知道，举例来说，不知你见没见过这种无广告防晒霜。

广告和价格的关系 - SpeakingMax英语口语达人

And again, we could spend a lot of class time saying, well riboflavin does this for the body and that for the body, but my guess is most of you wouldn't find that so interesting and for those of you who would, the information on it is available elsewhere as I said.

我们可以花很多课堂时间来说,核黄素对机体有这样那样的功用,不过我猜你会感到很无趣的,而对此感兴趣的同学,我说过你也可以从其他途径获得这些信息

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选