發送短信

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

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發送短信 : Product damage and free sampling : a newsvendor model with passive and proactive self-consumption