發送短信

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           __   __              ______    _  _   
    ___    \ \\/ //   ____     /_   _//  | \| || 
   /   ||   \ ` //   |    \\    -| ||-   |  ' || 
  | [] ||    | ||    | [] ||    _| ||_   | .  || 
   \__ ||    |_||    |  __//   /_____//  |_|\_|| 
    -|_||    `-`'    |_|`-`    `-----`   `-` -`  
     `-`             `-`

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發送短信 : A review of research in mobile assisted collaborative language learning