关于幸福这一话题已经有许多数据，例如，美国一般社会调查，欧盟民意调查以及盖洛普都收集过。

There are already a lot of data on the subject collected by, for instance, America’s General Social Survey, Eurobarometer and Gallup.

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关于幸福这一话题已经有许多数据，例如，美国一般社会调查，欧盟民意调查以及盖洛普都收集过。

There are already a lot of data on the subject collected by, for instance, America's General Social Survey, Eurobarometer and Gallup.

youdao

包括语言实践、专业实践、社会调查、毕业论文等。一般安排40周左右。

The main practice teaching links include course design, major practice, graduation thesis or design, etc. There are usually about 40 weeks allocated.

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