An alternative would be to use a service layer.

替代方法是使用服务层。

youdao

If you intend to use a service, keep adding new content!

如果你想要使用一个服务，那就不停的添加内容！

youdao

Service levels: Nobody will use a service they cannot trust.

服务级别：没有人会使用不可信的服务。

youdao

The Forest Service had a plane that it wanted to use to drop water bombs onto wildfires.

VOA: special.2009.11.24

They had a mail service, although it was for official use only.

建立了邮政系统，虽然只供官方使用。

耶鲁公开课 - 新约课程节选

Have you ever agreed to the "terms of use" for a service without reading it all?

VOA: special.2010.04.30

So when does it make sense for a company to use a service like Ning?

FORBES: Ning: Getting Real Results From Your Social Media

On your computer, you can use a service like RescueTime that will count everything you consume.

FORBES: Info Overload Isn't the Issue. Consumption is the Real Problem.

Finally, he said it helps to use a service such as UPS Quantum View Notify to send email notifications, so they can track the shipment right to their door.

FORBES: How Small Businesses Can Avoid Mishaps This Valentine's Day