translation.en: But if you can model things for people, if you can give things to people that they can manipulate and play with and where the feedback comes, then they can learn a lesson, they can see, they can move on, they can understand.
translation.zh: 但是如果你能模拟东西给人们看 如果你给予人们一些东西，他们可以操作 可以演示，可以收集反馈 人们就可以学到经验，他们能看 他们能行动，他们能明白