zh-trans: add service-broker.md (#11361)

* zh-trans: add service-broker.md

zh-trans: add service-broker.md

* Update service-broker.md

content/zh/docs/reference/glossary/service-broker.md

@@ -1,4 +1,18 @@
 ---
+title: 服务代理（Service Broker）
+id: service-broker
+date: 2018-04-12
+full_link: 
+short_description: >
+  由第三方提供和维护的一组托管服务的端点。
+
+aka: 
+tags:
+- extension
+---
+
+<!--
+---
 title: Service Broker
 id: service-broker
 date: 2018-04-12
@@ -10,8 +24,20 @@ aka:
 tags:
 - extension
 ---
+-->
+
+<!--
  An endpoint for a set of {{< glossary_tooltip text="Managed Services" term_id="managed-service" >}} offered and maintained by a third-party.
+-->
+
+由第三方提供和维护的一组 {{< glossary_tooltip text="托管服务" term_id="managed-service" >}} 的端点。
 
 <!--more--> 
 
+<!--
 {{< glossary_tooltip text="Service Brokers" term_id="service-broker" >}} implement the [Open Service Broker API spec](https://github.com/openservicebrokerapi/servicebroker/blob/v2.13/spec.md) and provide a standard interface for applications to use their Managed Services. [Service Catalog](/docs/concepts/service-catalog/) provides a way to list, provision, and bind with Managed Services offered by Service Brokers.
+-->
+
+{{< glossary_tooltip text="服务代理（Service Broker）" term_id="service-broker" >}} 实现了 [Open Service Broker API 规范](https://github.com/openservicebrokerapi/servicebroker/blob/v2.13/spec.md)，并为应用程序提供了使用它所托管服务的标准接口。
+[服务目录（Service Catalog）](/docs/concepts/service-catalog/) 提供了一种检索、提供和绑定服务代理所提供的托管服务的方法。
+