不当得利 (不當得利) bù dāng de lì
          
              bù dāng de lì 
              
              set phrase 
              unjust enrichment 
              Domain: Idiom 成语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: (CC-CEDICT '不當得利')