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. The difference between financial capital preservation and physical capital preservation he market demand for the mobile, server and SSD product rapid growth, make the memory and flash memory maker Micron and achieved good quarterly results, that is a signal to markets want to continual change. New IRS Commissioner, John Koskinen, in the public announcement states, "We're expanding the Streamlined Procedures to pay for a significantly broader band of US taxpayers we presume are on the market who have still did not disclose their foreign accounts but who were not willfully evading their tax obligations. To encourage these taxpayers to come forward, we're expanding the eligibility criteria, eliminating a cap for the quantity of tax owed to qualify for the program, and getting rid of a questionnaire that applicants were required to complete." In the 18th century, the western countries successively carried out the industrial revolution, the universal adoption of large machinery, laid the foundation for the establishment of factory system. In 1771, British man Richard arkwright1732-1792 founded the first cotton-yarn factory in the city of kron. In the 1930s and 1940s, the factory system was established in Britain, Germany and other countries. The main sex of factory system is: to carry out large-scale intensive labor; Using big machine to improve efficiency production; Implement the employment system; The division of labor is deepening and production is socialized. The establishment of factory system marks the real birth of enterprises.