The key to sustainable development is to balance economic growth and environmental protection.
经济周期的福利成本并非周期本身,而是个体无法随时间平滑消费的能力。
学习的过程本质上是一个形成关联的过程。
你和你的梦想之间唯一的障碍是尝试的意愿和相信它实际上可能的信念。
Topological insulators are a prime example of how theoretical predictions can lead to experimental discoveries that reshape our understanding of the physical world.