If we want to feed the world, we must invest in smarter ways to raise livestock.
如果我们想养活世界，就必须投资于更智能的畜牧方式。
基建是国家的脊梁，我们要用智慧和汗水铸就百年工程。
I found strength in my vulnerability.
我从未真正想过要成为一名导演。我只想成为一名演员。
Positive psychology is not just about feeling good, it's about the good life - a life with engagement, meaning, and positive relationships.
历史的终结不是事件的终结，而是人类政治和社会制度演进的终结。