It says the price index contained this amount of beef, this amount of sheep wool, this amount of sole leather, and this amount of corn; that was the first consumer price index ever used for financial contracts.

指数中包括这些数量的牛肉,这些数量的羊毛,这些数量的鞋底皮,这些数量的玉米,这是在金融合约里出现的,第一个消费者物价指数

耶鲁公开课 - 金融市场课程节选

To get any location in memory, to get to any value of the list, I simply have to say which element do I want to get, I know that these things are stored in a particular size multiply that index by 4, add it to start, and then it's in a constant amount of time I can go to that location and get out the cell.

取得列表中的任何一个值,简单说来，想要取得列表中的任何元素,我知道这些元素存在特定的大小中,把下标乘以4，加到start上,然后定位到内存单元，并取出值就是固定的时间了,好的，如果元素以固定大小存储。

麻省理工公开课 - 计算机科学及编程导论课程节选