organizing non profit organization Why did yu 'ebao decline? Today, being in the blockchain is like engaging in more grandiose and socially valuable activities. That is why blockchain is emerging, many of which are sold out, and for many, the line between personal and professional interests is becoming blurred. It looks like a big box and has doors and Windows, which people call "box cars". It is named "sedan" in the catalog because it looks like the "sedan chair" of the European ladies used for travel and other occasions. Money supply is determined by the central bank of exogenous variables, the demand for money depends on the liquidity preference of people, when people's liquidity preference to enhance tend to increase the money hold, so rates are determined by the liquidity preference in joint decision currency demand and currency supply; Loanable ZiJinLun combines the first two interest rate determinism, that interest rate is determined by the supply and demand of loanable funds, including the total savings and new bank money supply and demand including the total investment and new currency demand, interest rate decision depends on common commodity market and money market equilibrium According to Jerome McCarthy, "basic marketing" : a market is a group of potential customers with the same needs; They are willing to trade the goods or services offered by the seller in exchange for something of value, which is the way to meet the demand.