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

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