發送短信 : Robust contracting under distributional uncertainty

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