發送短信 : Managing stochastic bucket brigades on discrete work stations

  _____      ___       _____   _    _     ______  
 / ____||   / _ \\    / ___// | || | ||  /_   _// 
/ //---`'  / //\ \\   \___ \\ | || | ||  `-| |,-  
\ \\___   |  ___  ||  /    // | \\_/ ||    | ||   
 \_____|| |_||  |_|| /____//   \____//     |_||   
  `----`  `-`   `-` `-----`     `---`      `-`'