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

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發送短信 : Enforcing access control over data streams