cleansing oil The market has its origins in ancient times when people used the term of place to trade in fixed time or place. In the present, the market has two meanings, one is the trading place, such as traditional market, stock market, futures market, etc., another meaning is the general term of trading activity. The word "market" refers not only to a trading venue but also to all transactions. So when it comes to market hours, it's not just about the size of the site, it's about whether the consumer activity is active. In a broad sense, all property rights transfer and exchange relationships can be market. The difference between financial capital preservation and physical capital preservation Valuation bubble Before that, what is the nature of the enterprise itself is an issue that has been ignored by traditional microeconomic theory. In the traditional microeconomic theory, is the manufacturer's production process as a "black box", namely enterprise is abstracted into a from input to output a "black box" of the pursuit of profit maximization. But in order to better future, we must expand the definition of the word "profit", the economic benefits and social benefits are included, and understand that block chain itself is a social innovation of technical solutions. Including ambulances, fire engines, sanitation vehicles, TV and radio cars, airport operations, municipal construction projects, etc.