正当手续 (正當手續) zhèngdāng shǒuxù
          
              zhèngdāng shǒuxù 
              
              phrase 
              a proper procedure 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: (Mathews 1931 '正當手續', p. 43)