发展经济学最终是为了改善人们的生活。
Development economics is ultimately about improving people's lives.
"A story is not just a tale; it is a mirror reflecting the complexities of human existence."
解释：曲子高妙，不是人人都能和唱；说出真相，不是人人都能相信。
April is the cruelest month, breeding lilacs out of the dead land, mixing memory and desire, stirring dull roots with spring rain.
他意识到，生活就像一首歌。开始时是神秘，结束时是确认，但中间是所有情感所在，使整个事情变得值得。
译文：早知道人生像场大梦，何必被虚名束缚住自己。