In economics, as in life, the answers are often more nuanced than they first appear.
在经济学中，就像在生活中一样，答案往往比最初看起来更加微妙。
One is loved because one is loved. No reason is needed for loving.
可持续性不是一种选择；而是我们对后代的责任。
气候模型就像时间机器 - 它们让我们能够窥视可能的未来。