發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Physical Delivery Versus Cash Settlement: An Empirical Study on the Feeder Cattle Contract