Labor economics is fundamentally about understanding people’s choices and constraints.

在悲伤与虚无之间，我选择悲伤。

Education is the key to unlock the golden door of freedom.

The future of agriculture lies in the harmonious coexistence of technology and nature. We must use wisdom to protect every piece of green.

I prefer liberty with danger to peace with slavery.

我不在乎别人怎么说，我只在乎自己怎么做。

我唱的每一首歌都是我内心的一部分。

科学的进步不仅依赖于知识的积累，还需要有挑战未知的勇气。