so·ci·ol·o·gy /ˌsosiˈɑləʤi, ˌsoʃi-/
社會學
so·ci·ol·o·gy /ˌsosɪˈɑləʤɪ, ˌsoʃɪ-/ 名詞
So·ci·ol·o·gy n. That branch of philosophy which treats of the constitution, phenomena, and development of human society; social science.
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sociology
n : the study and classification of human societies