劳动经济学从根本上讲是理解人们的选择和约束。
Labor economics is fundamentally about understanding people’s choices and constraints.
Core technologies cannot be bought; they must be developed independently.
青年的危机不仅仅是关于未来的危机，也是关于当下的危机。
经济学家最重要的技能是清晰地思考权衡取舍。
Two roads diverged in a wood, and I—I took the one less traveled by, And that has made all the difference.
农民的智慧往往来自观察土地在不同季节的教诲。
What is most personal is most universal.