But there exit many problems among the studentsin Lin XiaMiddle School, where Iam working. It has always been a difficult pointfor thestudentsto master.
President Obama said the current system has led the country to a breaking point, imposing hardships on middle-class Americans who struggle to pay for health care, who are unable to obtain it.
VOA: standard.2009.09.10
Diana Farrell, who is now a member of America's National Economic Council but until recently worked for McKinsey, a consultancy that has spent a lot of time studying the middle classes, reckons they begin at roughly the point where people have a third of their income left for discretionary spending after providing for basic food and shelter.