deontology
deontology[ˌdiːɒnˈtɒlədʒi]noun- [mass noun](Philosophy)the study of the nature of duty and obligation
(哲)义务论
派生deontologicaladjectivedeontologistnoun语源- early 19th cent.: from Greek deont- 'being right', (from dei 'it is right') + -logy
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