白契 bái qì
          
              bái qì 
              
              noun 
              unstamped official documents 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: In contrast with 红契  [red] stamped official documents(Guoyu '白契'; Mathews 1931 '白契', p. 73)