In example 2, the syntax calls the sequence diagram called Process Credit Card and passes it the parameters of name, number, expiration date, and amount.

在实例2中，语法调用叫做Process Credit Card的序列图，传递给它参数name, number, expiration date，和amount。

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After December 2006, the law will prohibit companies from printing the expiration date or more than the last five digits of a credit or debit card on a hard copy receipt.

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