在业务层面，了解这些成本对于定义流程回报非常重要。
At a business level it is important to understand these costs to define the payback for a process.
测试套件可以在业务层面或者系统用例层面被用来实现自动化测试策略。
The test suites can be used to implement the automation test strategy at the business level or at the system use-case level.
在业务层面，电信网能够以服务的形式提供各类软件，开拓电信业务的范围。
On the service layer, telecom networks can supply various software as a service, thereby extending the scope of telecom services.
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