According to the engine displacement, divided into a miniature (1 liter), light level sedan (1-1.6 liters), intermediate (1.6-2.5 litres), senior sedan (2.5 4 liters), limousine (4 liters). 6. The gasoline tubing in the engine room ruptured Apple has released some incredible huge facts for their third quarter of 2011, with quarterly revenue reaching $28.7 billion, growing 82% year over year along with a net gain of $7.31 billion. Steve Jobs, Apple's CEO said: 'We're thrilled to deliver good quarter ever, with revenue up 82 percent and profits up 125 percent.' and the man added 'Right now, we're very focused and pumped up about bringing iOS 5 and iCloud to the users this fall.' (2) passenger car: a rectangular carriage, which is mainly used for vehicles carrying personnel (more than 9 persons) and their carry-on items In this way, if the interest rate of a country is higher than that of other countries, it will attract a large amount of capital inflow, and the outflow of funds from the country will decrease, leading to the buying of this currency in the international market. At the same time, the capital account balance has been improved, and the currency exchange rate has been raised. On the other hand, if a country is loose credit, interest rates fell, if interest rates lower than in other countries, can cause large capital outflows, foreign capital inflows to reduce, the capital account balance of payments deteriorates, while selling the currency in foreign exchange market, caused the exchange rate to fall. Under the theoretical framework of the theory, the theory of commodity market equilibrium and the monetary market equilibrium of Keynesian theory are unified. Marx's theory of interest rate decisions from the perspective of the source and essence of interest, taking into account the institutional factors in the role of interest rate decisions of interest theory, its theoretical core is the interest rate is determined by the average profit margin. Marx believed that under capitalism, interest is a part of profit and a form of conversion of surplus value.