translation.en: You can see the step by step analysis that takes place, and as they build up their model, they move their nodes around, rearranging them like Lego blocks.
translation.zh: 你可以看到发生的每一步过程， 当他们建立起他们的模型的时候， 他们移动他们的节点， 就像乐高积木一样重组它们。