单词	difference in vocabulary
释义	difference in vocabulary 词汇差异
随便看	existentially existentially definable existentially definable set existentially quantified formula existentially quantified variable existential modality existential model existential need existential nihilism existential node in semantic network existential normal existential ontology existential operator existential operators existential orientation existential phenomenology existential-phenomenology existential philosopher existential philosophical study of august existential philosophies existential philosophy existential philosophy of education existential plight existential predicament existential preparation for lessons