自然实验可以为经济问题提供有价值的见解。
"The more you experience, the more you learn."
Free competition is the great means of increasing the efficiency and prosperity of the economic system.
作为电影人,你必须忠于自己的愿景,即使这意味着逆流而上。
过去是一面镜子,我们在其中看到自己的倒影。