经济发展理论研究的是经济系统如何产生不断改变它的力量。
To love means loving the unlovable. To forgive means pardoning the unpardonable. Faith means believing the unbelievable. Hope means hoping when everything seems hopeless.
This isn't just about food - it's about saving our planet.
有所成就是人生唯一的真正的乐趣。