The average consumer in an advanced economy is effectively experiencing a decline in purchasing power over food, energy, and raw material-intensive manufactures.
发达国家的一般消费者正在实际上经历着在购买力的降低，通过食品、能源和原材料密集制造品。
2
More than 1/4 of Shanghai's 15-year-olds demonstrated advanced mathematical thinking skills to solve complex problems, compared to an average of just 3%.
Their low ranking reflects the need for these economies to improve many aspects of their markets and average living standards before they can be compared with advanced economies.