update glossary

content/zh/docs/reference/glossary/cluster-operations.md

@@ -1,10 +1,10 @@
 ---
-title: 集群操作
+title: Cluster Operations（集群操作）
 id: cluster-operations
 date: 2019-05-12
 full_link:
 short_description: >
- 诸如升级集群、实现安全、存储、Ingress、网络、日志和监控之类的活动，以及管理 Kubernetes 集群所涉及的其他操作。
+ 管理 Kubernetes 集群所涉及的相关工作。
 
 aka:
 tags:
@@ -18,15 +18,25 @@ id: cluster-operations
 date: 2019-05-12
 full_link:
 short_description: >
- Activities such as upgrading the clusters, implementing security, storage, ingress, networking, logging and monitoring, and other operations involved in managing a Kubernetes cluster.
+ The work involved in managing a Kubernetes cluster.
 
 aka:
 tags:
-- operations
+- operation
 ---
 -->
 
 <!--
- Activities such as upgrading the clusters, implementing security, storage, ingress, networking, logging and monitoring, and other operations involved in managing a Kubernetes cluster.
+ The work involved in managing a Kubernetes cluster: managing
+day-to-day operations, and co-ordinating upgrades.
 -->
- 诸如升级集群、实现安全、存储、Ingress、网络、日志和监控之类的活动，以及管理 Kubernetes 集群所涉及的其他操作。
+Kubernates管理相关工作包括：日常管理操作和协调升级。
+
+<!--
+ Examples of cluster operations work include: deploying new Nodes to
+scale the cluster; performing software upgrades; implementing security
+controls; adding or removing storage; configuring cluster networking;
+managing cluster-wide observability; and responding to events.
+-->															  
+群集操作工作的示例包括:部署新节点来扩容集群；执行软件升级；实施安全控制；添加或删除存储；配置集群网络；
+管理集群范围的可观测性；响应集群事件。