Bed Prism Glasses or Lazy Glasses, since they are categorised as, are an aid to relaxation. They are used mainly for relaxing during sex reading a magazine or watching tv or sometimes by patients during recuperation from illness or injury, where long-term bed rest is necessary. Certainly not for any situation that might be called a Sports Activity, aside from watching the football on TV, during intercourse, perhaps! The independent of interest is of positive significance to show the active role of the fund users in the reproduction process. 7. Efficiency. The efficiency of the plan mainly refers to the time and economy. Generally speaking, the interest rate varies according to the term of measurement, indicating that the method has annual interest rate, monthly interest rate and daily interest rate. This week, interest rate debt in developed countries in Europe and the United States suffered a massive sell-off. Affected by this, the yield curve of government bonds has been changed to a steep and steep trend. According to this model, the interest rate decision depends on the supply of savings and investment needs, money supply, money demand, four factors, cause a change in the saving investment, money supply and demand factors will affect the level of interest rates. This theory is characterized by general equilibrium analysis.