The central problem of macroeconomics is to understand how people make decisions over time.
宏观经济学的核心问题是理解人们如何随时间做出决策。
A miner's skill and dedication are just as valuable as the coal they bring to the surface.
透明报告我们的环境影响不仅是良好做法 - 更是我们对利益相关者的义务。
企业的失败,不是偶然的,而是必然的。