發送短信

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 ______    _    _     _  _      ___     _    _   
|      \\ | || | ||  | \| ||   / _ \\  | |  | || 
|  --  // | || | ||  |  ' ||  | / \ || | |/\| || 
|  --  \\ | \\_/ ||  | .  ||  | \_/ || |  /\  || 
|______//  \____//   |_|\_||   \___//  |_// \_|| 
`------`    `---`    `-` -`    `---`   `-`   `-`

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發送短信 : The Mathematics of Preference, Choice and Order