從文件<unk>上上傳文件 打開檔案檔案<unk>,其中有空白文件 數據傳輸備份 檔案共享 文件傳輸概念

相關標籤:

• file
• archive
• upload
• document
• file folder
• data transfer
• copy
• report
• informative
• business report
• computer system
• computer
• system
• letter paper
• page
• business data
• data
• information system
• computer networking
• blank page
• mail
• folder
• business laptop
• laptop office
• email
• carta
• blank
• cloud network
• 22+