Please kindly send this form back in 3 days, also the front and back copies of your credit card to guarantee the reservation, otherwise, the room will be cancelled without any other announcement.

请在3天内回传此表及信用卡正反面复印件来保证您的订房，否则房间将被取消并不做任何另外通知。

youdao

"Ensuring that your checkout process and, more important, the credit card form are well-secured will guarantee your customers feel safe when transmitting their information, " says Pat Kaeowichien, director of information technology for Magnetic, a Tampa-based Web-development firm.

FORBES: Magazine Article