Study on the Latin American socialism in the perspective of financial crisis Financial derivatives market analysis in the perspective of financial security Germany and the sino-German relations in the context of the financial crisis Study on the adjustment of american monetary policy & its impacts in the post-financial crisis era 并列题名：Financial derivatives market analysis in the perspective of financial security Political economics in the game of financial crisis study on the reform of state-owned enterprises under the perspective of fair competition study on the auditing theory of socialism with chinese characteristics