the global economic crisis initiated by american secondary loan crisis in 2007, has made domestic and international economic environment deteriorate rapidly after 2008.
由2007年美国次贷危机的引发的全球经济危机,使得国内外经济环境在进入2008年以后迅速恶化。
environment deteriorate is the result of the action which the human was acting with the guidance of traditional development theory, they don't act on the rule of natural balance.