I want to know where you went yesterday.
我想知道你昨天去哪儿了。
I went to see you yesterday evening.
我昨天傍晚去看你了。
So suppose you asked me what I did yesterday and I say "I went to the Art Museum".
假设你问我昨天做了什么,我说“我去了艺术博物馆”。
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。
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