We can see by the type of the service that it provides the Invoicing interface and requires the InvoiceProcessing interface.

我们能够通过服务的类型看到它提供了Invoicing接口并且需要InvoiceProcessing接口。

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Business applications range in type from invoicing for freelancers to content management systems to document management systems to banking and financial systems.

业务应用程序的类型宽泛，从自由职业者的帐务管理到银行和金融系统的文档管理系统都位列其类。

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