世纪之交，全球经济形势发生着重大而深刻的变化。能源价格剧烈波动，网络公司苦苦支撑，贸易大战如火如荼，金融领域危机四伏。经合组织(OECD)在2000年12月的经济预测报告中称：在新世纪的第一年，美国经济增长将从2000年的5.2％下滑到3.5％；欧元区经济增长将由2000年的3.5％ At the turn of the century, the global economic situation has undergone major and profound changes. Dramatic fluctuations in energy prices, Internet companies struggling to support the trade war in full swing, the financial crisis. In the December 2000 economic forecast by the Organization for Economic Co-operation and Development (OECD), it said: In the first year of the new century, the U.S. economic growth will plunge from 5.2% in 2000 to 3.5%. The economic growth in the Euro area will start from 3.5 in 2000 %