一始于2008的经济危机要求G20国家领导人探寻旨在稳定世界经济和保证稳定增长的、协商一致的措施。经济危机的表现之一——2009年全球贸易总额减少了13%,世界经济总产值减少了2.2%。全球贸易总额出现如此规模的下降,这在第二次世界大战后还是绝无仅有的。造成世界市场贸易额减少的众多原因之一是当今货币体系的不完善。由于一些国家将货 The economic crisis that began in 2008 demanded that the leaders of the G20 countries explore the consensual measures aimed at stabilizing the world economy and ensuring steady growth. One of the manifestations of the economic crisis - in 2009 the total global trade decreased by 13%, the world’s gross economic output decreased by 2.2%. The drop in such magnitude of global trade was unprecedented after World War II. One of the many reasons for the decline in the volume of trade in the world market is the imperfections in today’s monetary system. As some countries will be the goods