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

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發送短信 : Advance selling in the presence of speculators and forward-looking consumers