"One of the programming problems was try to figure out how to break an arbitrary chocolate bar into a certain number of pieces of a certain number of sizes and to do it as quickly as possible.

VOA: special.2010.03.11

Again, stupid, arbitrary number to choose let's just update our picture.

是选择的是傻的，任意的数字,我更新一下那个图画。

哈佛公开课 - 计算机科学课程节选

That means that p1 and -- where I am, the point number 1 and point number 2 were completely arbitrary.

因为1和，两个点是2,陆军上面。

麻省理工公开课 - 热力学与动力学课程节选

The absolute number that you assign to it is something that's arbitrary. You have to set what the zero is. And so there's a well-understood convention for what the zero is.

你指定给它的绝对值是有任意性的,你需要设定零点的位置,因此有一个经过充分研究的,关于设定零点的约定。

麻省理工公开课 - 热力学与动力学课程节选