必须与前台电话验证客人的身份。
Telephone communication with the front desk is also essential to verify guest registration.
在处理电子邮件验证、电话号码、URL、日期等数据时，有时编写自己的验证 器会更好一些，不过我们将在稍后对此进行讨论。
When dealing with e-mail validation, phone numbers, URLs, dates, etc., it's sometimes better to write your own validator; but we'll get to that in just a bit.
哈利斯说，每年银行接到的电话数以千万计，所以，能找到一种又快又可靠的验证用户的方法对银行来说很重要。
AMRO customers. Since Banks receive tens of millions of calls each year, it was important to find a way to authenticate people quickly and reliably, says Mr Harris.
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