We are poor at prevision of the origin of happiness, and we would probably believe the decision we made is the most satisfactory. The Happiness has become 1 everywhere but tough to define. Nations and people manage to gain higher incomes based on the principle of economics that 2 are related to happiness, but that is not 3 . Wealth alone isn’t necessarily what makes us happy. It makes different if we possess more than 4 , and that’s why we feel unhappy to find those top 5 have superlative income. Some nations are beginning to consider issues like measuring society’s progress by 6 as well as GDP, and researchers even held seminar to exchange surveys about the 7 , though the influential topic was advanced 10 years ago. The issue that a state policy should be 8 the happiness of the majority, erupted many decades ago by British Enlightenment thinker Jeremy Bentham and accepted by many eminent economists, could not fairly 9 , because happiness can not be objectively measured. The 10 of the happiness made by Richard Easterlin is that the wealth makes people happier, but their happiness will not 11 as great as it should be if they live above the 12 .They can easily take the life for granted and 13 the more expansive way of life. They are 14 to compare the life with others and manage to keep up with the Joneses. Ruut Veenhoven, a professor at Erasmus University in Rotterdam, does not support the 15 "work less, play more". According to his investigation of happiness list, people want a European-style 16 and want to enjoy freedom and opportunity as well. We should probably go beyond the confusing information and 17 the fairly principles of the happiness: poverty is 18 , staying with friends and family is 19 , and the decisions made 20 are by chance to be happy experience. A. happiness indexes K. optimize B. put into effect L. poverty line C. preliminary interpretation M. the case D. formula for happiness N. acquaint with E. terrible O. innate F. earnings P. in the past G. safety scheme Q. joyful H. measurement of happiness R. agitating topics I. adapt to S. escalate J. Mr. Joneses T. hedge-fund managers