经济学是现代的一个独立学科，是关于经济发展规律的科学。从1776年亚当·斯密的《国富论》开始奠基，现代经济学经历了200多年的发展，已经有宏观经济学、微观经济学、政治经济学等众多专业方向，并应用于各垂直领域，指导人类财富积累与创造。-Economics is a modern independent discipline, is about economic law of development of science. From 1776 Adam Smith s "the wealth of nations start foundation, modern economics experience for more than 200 years of development, has a macro economics, macroeconomics, political economics, and so many professional direction, and applied to the vertical, guide human wealth accumulation and creation.