發送短信

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

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發送短信 : Design Externalities in the Residential Context