Consumer and producer surplus are both equally labelled over the diagram. Customer surplus is observed earlier mentioned the equilibrium line, and is particularly the area or surplus of what people must fork out and the things they are prepared to pay back. 其实这与学生的水平是没有关系的，本身中国学生的英语方面是较弱的。本身应试教育的思维习惯，没有独立思考和批判性思维的习惯，无法写好... http://collinxd5ny.blogerus.com/33010793/rumored-buzz-on-essay