It also includes "optional services startup" feature where the developers can selectively start only the server components they really use in their applications.

还包括一个“可选的启动服务”特性，以便开发者可以在应用中开启其真正需要的那些服务组件。

youdao

We provide a multi - type queueing system, including vacation, feedback and optional services.

建立了休假、反馈、可选服务多类型相结合的排队模型。

youdao

Services offered by Visa consists primarily of optional services such as extended cardholder protection and concierge services, cardholder services and fees for licensing and certification.

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The company hopes one day to make money by offering users optional fee-based services from others.

WSJ: A Free Service to Store Medical Data in Case of an Emergency

The problem is that the services are not optional.

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