發送短信

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

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發送短信 : Formation and Variation of Contracts by John Cartwright [book review]