發送短信

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  _____     ______    _____     _____   __    __  
 |__  //   /_   _//  /  ___||  |  ___|| \ \\ / // 
   / //     -| ||-  | // __    | ||__    \ \/ //  
  / //__    _| ||_  | \\_\ ||  | ||__     \  //   
 /_____||  /_____//  \____//   |_____||    \//    
 `-----`   `-----`    `---`    `-----`      `

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發送短信 : Prioritization technique for learning cloud services