發送短信 : Microblog opinion evolution model

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