And really, this is what I've done with my adult life -- is think about how do we measure happiness, how do we measure well-being, how can we do that within environmental limits.
确实, 这是我成年后一直在做的-- 就是思考我们怎么样来衡量快乐和幸福, 怎么样来衡量满足和惬意, 我们怎样在不过度破坏环境的前提下做到这点。