In 2010, China overtakes Japan to become the other world's economy. According to economists, China remains to be a developing country with fast pace of growth. Data released that Japan\'s gross domestic product is $1.286 trillion while it is worth $1.335 trillion for China. Another source signifies that Japan keeps growing at two or three percent in weighed against 10 % annually of China. Frances O’Grady, the TUC general secretary, said: “Two people working next to each other, doing the same job, should get the same pay rates. But too often agency workers are treated like second-class citizens. It is proposed to set up big core technology in the big fund 1. Industrial age There is no risk of this arbitrage. Range and once the two currencies yield, the yield of arbitrage mechanism will make two currencies are equal, that is, different interest rates in the currency of the country there is inherently a trend towards an equalization and trend, it is the interest rate index key aspects of the impact of foreign exchange to, also is our interpretation and grasp the key interest rate index. Macroeconomics' need for government intervention ' Understand that these opportunities will empower people