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

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發送短信 : Inappropriate use of the mean as a summary index