You don't need all these different things that There is something about we are moving ourselves, and giving ourselves opportunity that is just literally done at a park.

你不用各种所谓的,我们所做的就是,动起来，给我们自己,与自然接触的机会,而这在公园里就可以做到。

普林斯顿公开课 - 人性课程节选