發送短信 : Economics and old age : the Singapore experience

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