For almost a hundred years, "The General Theory of Employment, Interest and Money" from Keyness had fantastically works in Macroeconomics, while three hundred years "Dual Entries T-Account" from Paccioli still dominates the Accounting, also another three hundred years of "Supply-Demand's Price vs Quantity Tables" dominates the Microeconomics, then comes the decade's "Purchasing Power Parity" dominates the inter currency economics. In partial Macroeconomic, ideas of "Fiscal Budget" and "T-Bills vs Monetary Bonds" powerfully works, while "Marketing" reshaping Microeconomics and "Compounding Rates" influencing Accounting and "Linear Regression" be the Econometric statistical background. Although they work impacting each other, people always get surprised when the problem goes to another discipline's subject. Sure that they are interactively related, but how could we shortly put all them in a comprehensive model? Like the physics successfully combined the Rays, Electricity, Magnetism, Quantum, Mechanics altogether, so the economic could do the same for current international business' economic model accurately: Y= C]S]= C]I]=R=PQ= 1/K]{ G-T]+ O-F] 1]E] DEGREESN= 1/Z]( X-M]+L- A/V]{ 1]V] DEGREESU-1})