發送短信 : Fibrations and nullifications

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