经济研究应旨在为现实世界的决策提供信息。
Every mathematical problem has a solution, but not every solution is immediately apparent.
我慢慢地把水桶提到井栏上。我把它稳稳地放在那里。我的耳朵里还响着辘轳的歌声。依然还在晃荡的水面上,我看见太阳的影子在跳动。
When you embrace the power within yourself, that's when miracles start to happen.