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  _____    _    _     _____      ___     _____    
 /  ___|| | || | ||  /  ___||   / _ \\  |  __ \\  
| // __   | || | || | // __    / //\ \\ | |  \ || 
| \\_\ || | \\_/ || | \\_\ || |  ___  ||| |__/ || 
 \____//   \____//   \____//  |_||  |_|||_____//  
  `---`     `---`     `---`   `-`   `-`  -----`

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發送短信 : Risk sharing in an asymmetric environment