And the obvious question I could start with is, and suppose I ask you, how long does the algorithm implemented by this program take to run?

我开始这个话题的第一个问题是，假设我问你，由这个算法实现的程序大概,要运行多久才能给出答案？

麻省理工公开课 - 计算机科学及编程导论课程节选

I ask you for the running time of this algorithm and you give me the running time in terms of the running time, right.

我需要得到此算法的时间复杂度,那就明确地给出其,运行时间。

哈佛公开课 - 计算机科学课程节选