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            _____    _    _    _    _     ______  
  ____     |  ___|| | \  / || | || | ||  /_   _// 
 |    \\   | ||__   |  \/  || | || | ||    | ||   
 | [] ||   | ||__   | .  . || | \\_/ ||   _| ||   
 |  __//   |_____|| |_|\/|_||  \____//   /__//    
 |_|`-`    `-----`  `-`  `-`    `---`    `--`     
 `-`

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發送短信 : Understanding irrelevant measurements: The utility of "Not Applicable" survey options