            

            

          

     ᠎     

             

            

           

                   

            

             

             

            

          C2C  B2C  

               

             

               

           

      2021             

        ᠎  

            

            

           

            

             

          

            

             



                   

              

           

      ᠎      

          

               

            

             

                     

             

            

             

            

              

              

                   

              

᠎           

            

           

           

                

           

          

         

                   

             

           

              

         ᠎   

            

            

           

             

          