發送短信

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

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發送短信 : Data collection instruments for active trips in Singapore