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  ______    ______   _    _      ___      _____   
 /_____//  /_   _// | |  | ||   / _ \\   |__  //  
 `____ `    -| ||-  | |/\| ||  / //\ \\    / //   
 /___//     _| ||_  |  /\  || |  ___  ||  / //__  
 `__ `     /_____// |_// \_|| |_||  |_|| /_____|| 
 /_//      `-----`  `-`   `-` `-`   `-`  `-----`  
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發送短信 : Requirements analysis of presence: Insights from a RPG game