發送短信 : Answers or no answers : studying question answerability in stack overflow

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