求翻译：中国著名的历史学家冯友兰说过，人生有四种境界。第一，天地；第二，圣贤；第三，名利；第四，自然。我们都是普通人，都活在第三种境界里，所以对幸福的追求免不了倾向于物质层面。是什么意思？

Famous Chinese historian Feng said, there are four realm of life. First, the world; second, saints; third, fame and fortune; fourth, naturally. We are all human, all live in a third realm, so the pursuit of happiness will inevitably tend to the material level.

Well-known Chinese historian Fung Yu-lan said that life is 4 realm. First of all, heaven and earth; the first 2 sages; 3, 4, and fame and fortune, and natural. We are all human, are all living in the first 3 realms, and so the pursuit of happiness will inevitably tend to material dimension.

Chinese renowned historian Feng Youlan had said, the life has four kind of boundaries.First, world; Second, saints and sages; Third, fame and fortune; Fourth, nature.We all are the average person, all lives in the third kind of boundary, therefore favors unavoidably to the happy pursue the material

The famous Chinese historian Feng you-LAN's said, there are four realms of life. First, the world and secondly, Saints and third, fame and fortune; IV, naturally. We are ordinary people who are living in a third State, so the pursuit of happiness will inevitably tend to the material aspects.

Famous Chinese historian Feng said, there are four realm of life. First, the world; second, saints; third, fame and fortune; fourth, naturally. We are all human, all live in a third realm, so the pursuit of happiness will inevitably tend to the material level.