经济学的力量在于它能够揭示关于世界如何运转的隐藏真相。
The power of economics lies in its ability to reveal hidden truths about how the world works.
The past is a shadow that follows us, a ghost that haunts us.
音乐让我学会了坚持和勇敢,也让我明白了什么是真正的热爱。