發送短信

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 _    _      ___     ______      ___              
| |  | ||   / _ \\  |      \\   / _ \\    ____    
| |/\| ||  / //\ \\ |  --  //  | / \ ||  |    \\  
|  /\  || |  ___  |||  --  \\  | \_/ ||  | [] ||  
|_// \_|| |_||  |_|||______//   \___//   |  __//  
`-`   `-` `-`   `-` `------`    `---`    |_|`-`   
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發送短信 : Learning Interactions as it Evolves in a Social Learning Management System