The thing that we have seen him doing is charging more, but I guess we've got to allow that.

而我们看到的是报纸涨价,但是我想必接受这些

耶鲁公开课 - 金融市场课程节选

Today, it's priced given the best-known information and so tomorrow it's equally likely to go up or down.

由最广泛的信息所决定的,所以明天它涨价和降价的概率是相等的。

麻省理工公开课 - 计算机科学及编程导论课程节选