倒买倒卖 (倒買倒賣) dǎo mǎi dǎomài
          
              dǎo mǎi dǎomài 
              
              set phrase 
              to buy and sell at a profit; to speculate 
              Domain: Modern Chinese 现代汉语
              
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                , Concept:  
              
              
              
                Notes: (CC-CEDICT '倒買倒賣')