so ideally I sort of want to get a Ph.D with sociology so that I can go international travel,

所以，理想状态下，我有点想要拿到社会学的博士学位，这样我就可以跨国旅游了，

在美国旅游的经验 - SpeakingMax英语口语达人

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