Or another way of saying it is, we're going to use as the basic steps, those operations that run in constant time, so arithmetic operations.

我们用可以在恒定时间内完成的操作,算法，比较,内存读取。

麻省理工公开课 - 计算机科学及编程导论课程节选

So I can do this really simply with a scale or just with my own arms.

这个比较很容易就能完成，我可以用天平,或者直接用我的手臂就行了。

哈佛公开课 - 计算机科学课程节选