China is in a period of rapid economic development, while the United States in the 1950s and 1960s also had a golden age of economic development, not to consider a country's overall economic development direction, from the micro-economic models and people to change their way of life Regard to think that China's development mode can certainly learn from the historical experience of the United States, then the next 20 years, what industry sectors, what model would be a better investment prospects ?