有证据显示，从个人到国家层面，收入和幸福之间都有一定关系。

There is evidence, at both an individual and a country level, of a relationship between income and happiness.

youdao

我知道这些挑战可以面对，只要大家认识到它们不会仅由一个人或者一个国家来面对。

I know these challenges can be met, so long as it's recognized that they will not be met by one person or one nation alone.

youdao

从国家责任到个人价值。

From national duty to personal fulfillment.

youdao

We'll about what individuals can do, what a country can do, what the world can do to help change what are really pretty discouraging numbers.

我们会谈到个人能做些什么,国家能做些什么,世界又能做些什么,去帮助改变这些,令人泄气的数据

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选