translation.en: This means you can forget about the equations and just start to understand the system so you can actually forget about the equations and you just start to look at the interactions.
translation.zh: 这表明你可以忘记数学方程 而通过观察交互关系 就可以开始理解系统。 所以你完全可以忘记数学方程 而仅仅从观察交互关系开始。