| 单词 | rationales | 
| 释义 | rationalenoun  ra·tio·nale  ˌra-shə-ˈnal   1    : an explanation of controlling principles of opinion, belief, practice, or phenomena   2    : an underlying reason : basis   rationales nounas in explanations   a statement given to explain a belief or act the rationale for starting the school day an hour later is that kids will supposedly get an extra hour of sleep   Synonyms & Similar Words Relevance     
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