So it seems safe to assume that blue wasn't a totally arbitrary choice for hyperlinks on the internet.

因此，可以肯定地假设网络超链接的颜色是蓝色并不是随机选择的。

With full pixel control, totally arbitrary graphics were possible.

通过全像素控制，可以实现完全任意的图形。

But which direction is positive, and which is negative? That’s totally arbitrary.

但哪个方向是正的， 哪个是负的？ 这完全是任意的。

But which direction is positive, and which is negative? That's totally arbitrary.

但是哪些趋势是积极的，哪些是积极的 消极的？这完全是任意的。

When having to remember something that seems totally arbitrary, try to figure out a grand and obscene image that will come to mind easily.

当必须记住一些看起来完全随意的事情时，试着找出一个很容易浮现在脑海中的宏伟而淫秽的形象。