發送短信 : Cost-benefit analysis of energy efficiency system for homes and buildings

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