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

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發送短信 : Group Reputation, Anonymous Matching, and External Monitoring in a Model of Corruption