translation.en: I mentioned that for all three kinds of lives, the pleasant life, the good life, the meaningful life, people are now hard at work on the question, are there things that lastingly change those lives?
translation.zh: 我刚才提到了三种生活，快乐的生活 参与的生活，有意义的生活，人们很想知道 真的有东西可以持久地改变我们的生活吗？