And frankly it would be incredibly time-consuming and tedious for me, to count this room full of people old school style-- 1, 2, 3 and so forth.

坦白说，按学校的老办法一个人一个人的数,1个，2个，3个……,对我来说极其费时费力。

哈佛公开课 - 计算机科学课程节选

It grows as b. The 3 doesn't matter, it's just a constant, it's growing linearly.

它按b来增长，3只是个常量，3没有作用，答案是线性增长的。

麻省理工公开课 - 计算机科学及编程导论课程节选