关于预定旅馆

我在venere.com上订了房间，现在想取消它。看了取消规则，它说可以在最后截止期前取消它，又说有prepaid/not refundable不能取消，看不懂了。以前我在venere.com预定过，在预定栏项是有取消项的，而这次在预定栏项里没有取消项，这是不是意味着这个预订是不能取消的。我已经把信用卡挂失了，这样的话还会扣我的钱吗？另外那个信用卡在网上支付不是要验证码的吗？我以前也在网上支付过，是要验证码的。现在它只有我的卡号就可以了吗？另外听说还有个预授权的问题，是不是意味着它两个月后还能从我已经挂失的卡上扣钱呢？谢谢！(下面是我的确认邮件里的部分内容)

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You may cancel the reservation without being charged the penalty indicated by the property by:



THURSDAY, NOVEMBER 12, 2009 at 23 (GMT +1h)

You cannot cancel your reservation if you selected and booked a room indicated as "PREPAID/NOT REFUNDABLE". Venere.com never charges a penalty for cancellations. The Town House Suite Via Veneto House has the right to charge a penalty for cancellation requests made after the deadline indicated above and/or if you do not follow the instructions specified in the section "How to Cancel Your Booking".



The first night will be taken upon Booking as a deposit. before 15 days from arrival date will NOT be charged cancellations made less than 15 days and not less than 7 days from arrival date will be charged 50% of the total amount of the reservation PREPAID NOT REFUNDABLE: YOUR CREDIT CARD WILL BE CHARGED FOR THE TOTAL COST OF YOUR BOOK