青云翻译

Happiness is a psychological experience, if gdp to measure country's wealth, then the happiness index can become a standard measure of people's happiness, it is as important as with gdp

Happiness is a psychological experience, if the GDP measure of national wealth, then happiness index can be a standard measure of people happiness, and GDP is as important as

The happy heart is one kind of psychological experience, if GDP may weigh national the wealthy degree, then the happy index may become one to weigh the common people happy heart the standard, it and GDP are equally important

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Happiness is a psychological experience, if the GDP measure of national wealth, then happiness index can be a standard measure of people happiness, and GDP is as important as