A survey by the British New Economy Foundation of 178 countries in the world shows that in emerging countries such as China, people's happiness is higher than that of Japan, South Korea, and the United States. Of course, according to the society of the University of Erasmus in the Netherlands and the University of Michigan in the United States According to the Institute's survey, since a brief rise in 1995, Chinese happiness has also begun to decline. People around the world have begun to realize the fact that economic growth is not the same as development, because the latter also includes ecological A series of indicators such as leisure, social welfare and fairness and justice; happiness does not only refer to the happiness of the senses, because it is also related to the positive experience and overall evaluation of the meaning of life. According to this text, the following statement is correct. ['Emerging countries have different perceptions of happiness.', 'Happiness includes both the joy of the senses and the understanding of the meaning of life.', 'The cultural background has an important influence on the formation of national happiness.', 'Happiness is closely related to economic growth.']