And if you're our zero just continue standing there awkwardly, Alright. So with that said, we have a three-letter word so we'll have three rounds of hands going up or down.

如果你代表0，就站在那里别动，好，那么，我们有三个字母的单词,因此我们分三次分别表达这三个字母。

哈佛公开课 - 计算机科学课程节选

Very quickly. It's going like this and so on. It's also doing what? Going up or down?

非常快,就像这样,它还怎样行进的,上行还是下行

耶鲁公开课 - 聆听音乐课程节选

since all the information is in the current price, you don't have to worry about whether it went up or down yesterday, to decide what it's going to do today.

因为当前价格代表了所有信息，你就不需要去考虑昨天股价,是涨了还是跌了，再去判断它今天的价格会怎么变化。

麻省理工公开课 - 计算机科学及编程导论课程节选

Whether they're more inefficient when things are going up or when things are going down.

是不是在事情进展顺利或受阻的时候,市场会更没有效率。

耶鲁公开课 - 金融市场课程节选