發送短信

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

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發送短信 : Mining product textual data for recommendation explanations