Figure 3 illustrates the model of a sample application that allows a business owner to generate an order and accepts payment from the customer.

图3展示了范例程序的模型，该程序允许业务所有人生成一个序列，并从用户那里接受付款。

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Figure 3 illustrates the model of a sample application that allows a business owner to generate an order and accepts payment from the customer.

图3展示了范例程序的模型，该程序允许业务所有人生成一个序列，并从用户那里接受付款。

youdao