發送短信 : Adversarial attacks and defenses in natural language processing

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