在booking上26美元定的 Hard Rock Hotel发来的这个邮件

Dear Wang ***, your reservation for July 12, 2014 at Hard Rock Hotel & Casino Las Vegas is already confirmed (Confirmation: K*****). At times, premium rooms may go unsold. As a special offer, you can use the new Hard Rock Hotel & Casino Las Vegas eStandby Upgrade® Program to potentially upgrade this reservation to a premium room. Click Here to get started.*All prices subject to applicable taxe