發送短信 : Distinguishing between authentic and fictitious user-generated hotel reviews

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