發送短信 : Environmental communication among minority populations

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