Apple holds first virtual Worldwide Developers Conference
    
        
    
      
    
      
    
        
          
          chinadaily.com.cn |
          Updated: 2020-06-23 11:13
          
          
          
          
        


        
      
    
      
    
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   Craig Federighi, Apple's senior vice president of software engineering, introduces macOS Big Sur at Apple Park in Cupertino, California during the 2020 Apple Worldwide Developers Conference keynote video. [Photo/Agencies] 
 
     

     

          
        
    

        
        
      
    
        
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