Its adherents start with copious survey data, such as those derived from the simple, folksy question put to thousands of Americans every year or two since 1972: “Taken all together, how would you say things are these days—would you say that you are very h
Its adherents start with copious survey data, such as those derived from the simple, folksy question put to thousands of Americans every year or two since 1972: “Taken all together, how would you say things are these days—would you say that you are very h
它的追随者从大量的调查数据着手，比如那个自1972年以来每1到2年就会给予数以千计的美国人的简单而随意的问题：“总的来说，你觉得现如今生活得如何－很幸福，非常幸福或是不太幸福？”