發送短信

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

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發送短信 : Complexity of terms, superpositions, and generalized hypersubstitutions