發送短信 : Brands as advocates on social media: understanding the effects and mechanisms of brand activism communication

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