根据提交的付款类型，此流程将调用相应的信用卡公司来处理付款。

Based on the type of payment submitted, the process invokes the corresponding credit card company to process the payment.

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通过调用自动任务，首先验证信用卡信息，然后采用排他网关检查信用卡验证的结果。

First the credit card information is validated by invoking an automated task. Then we check the outcome of this credit card validation with an exclusive gateway.

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例如，将信用卡检查任务建模为服务任务。因为信用卡的有效性检查可以通过调用Web Service来执行。

For example the check credit card task is modeled as a service task, because the validity of the credit card can be checked by invoking a web service.

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