發送短信

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

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發送短信 : Prioritization technique for learning cloud services