Dictionaries are implemented using a magic technique called hashing, which we'll look at a little bit later in the term, which allows us to retrieve keys in constant time.

散列法的内容,此方法可以让我们在线性,时间内检索到键,因此字典的大小并不重要了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Even though the deposits are short-term and the depositor can get the money at any time, the depositor is earning interest of a level that can only be made on long-term loans.

即使是短期存款,存款人可以随时取走存款,存款人也可获取仅从长期贷款中,才可得到的利息水平

耶鲁公开课 - 金融市场课程节选