基本的理念是一样的：卡片是一种权标，一种编码在磁性条码上的独一无二的号码。
The basic idea is unchanged: The card is a token, a unique number encoded in a magnetic stripe.
这些钞票印有连续的号码和字母，所以每张钞票都是独一无二。
The money is also printed with serial Numbers and letters that are unique to each bill.
在九十年代时，人们首次发现，来电身份伪装可以让用户肆无忌惮的选择任意号码作为他们的来电身份。
First discovered in the ‘90s, caller ID spoofing allows an unscrupulous sort to choose whatever number he or she would like for their caller ID.
应用推荐