發送短信 : Adverse selection in mortgage securitization

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