Then once you've got those two numbers, they're no longer free parameters; they're concrete numbers, maybe 5 and 9.

一旦你知道这两个量,它们就不再是自由参量了,它们是具体的数值,可能是5或9

耶鲁公开课 - 基础物理课程节选

Even the game, when you chose numbers, you chose numbers 1, 2, 3, 4, 5, up to a 100, there were 100 strategies.

比如那个数字游戏,你能从1到100这100个数字中选择

耶鲁公开课 - 博弈论课程节选

When we say that 2 + 2 = 4 or 2 + 3 = 5, we're saying something about numbers that our mind is able to grasp.

当我们说2+2=4或2+3=5时,我们是在讨论心灵可以掌握的数字

耶鲁公开课 - 死亡课程节选