But, you know, in 2D, the options are not just left and right or north and south, but infinity of possible directions in which I could go those 5 km.

但在二维空间中,不仅可以向左向右或者向南向北,我在走那5公里的时候可以有无数个方向

耶鲁公开课 - 基础物理课程节选

What's happening, increasingly, is that employees or top executive employees, at least, in companies are rewarded as part of their compensation with options on the value of the stock of the company they work for.

现在越发普遍的情况是,雇员,或者至少是高管,可获得他们所在公司额外的股票期权,当做薪酬的一部分,作为其优秀管理的回报

耶鲁公开课 - 金融市场课程节选

You work for XYZ Corporation; the share is trading at $10 a share; they would give you "At the money" Or "Out of the money" Options -say options to buy the stock at $11 a share.

你在XYZ公司工作,当前股票价格是每股十美元,他们会给你,平价期权或者价外期权,比如以每股十一美元来购买该股票的期权

耶鲁公开课 - 金融市场课程节选