美国次贷危机英文翻译。急急急！！

The United States sub-loan crisis all over the world have had an impact, not only the financial market disturbance, but also affected the real economy. In this paper, sub-loan crisis in the United States causes an in-depth inquiry. The main causes include the four major areas: First, the United States ahead of the middle class consumption patterns planted the seeds of the crisis; Secondly, the United States banks and financial institutions operating irregularities become the bane of the crisis; Third, the Fed's accommodative monetary policy are a catalyst for the crisis; Fourth, deregulation of financial institutions are important factors that led to the crisis. Through the United States sub-loan crisis of the causes, understanding the mechanism of financial crisis, has enriched the understanding of the financial crisis, which leads to the sub-loan crisis on our country's economic development Alert: First of all, we should be vigilant in peace time, and enhance prevention aw