It turns out that scalars also share this coordinate invariance property.

事实证明，标量也具有这种坐标不变性。

Now what's happening when we experience color is that the brain is tracking an invariance, a regularity in how objects and surfaces reflect light.

现在，当验到颜色时，大脑正在追踪一种不变性，一种物和表面反射光的规律性。