Merge pull request #34232 from tengqm/zh-34221-task-2

[zh] resync tasks files (task-2)

content/zh-cn/docs/tasks/access-application-cluster/configure-access-multiple-clusters.md

@@ -39,7 +39,8 @@ It does not mean that there is a file named `kubeconfig`.
 
 <!--
 {{< warning >}}
-Only use kubeconfig files from trusted sources. Using a specially-crafted kubeconfig file could result in malicious code execution or file exposure. 
+Only use kubeconfig files from trusted sources. Using a specially-crafted kubeconfig
+file could result in malicious code execution or file exposure. 
 If you must use an untrusted kubeconfig file, inspect it carefully first, much as you would a shell script.
 {{< /warning>}}
 -->
@@ -396,7 +397,7 @@ For example:
 ### Linux
 
 ```shell
-export KUBECONFIG_SAVED=$KUBECONFIG
+export KUBECONFIG_SAVED="$KUBECONFIG"
 ```
 
 ### Windows PowerShell
@@ -422,7 +423,7 @@ Temporarily append two paths to your `KUBECONFIG` environment variable. For exam
 ### Linux
 
 ```shell
-export KUBECONFIG=$KUBECONFIG:config-demo:config-demo-2
+export KUBECONFIG="${KUBECONFIG}:config-demo:config-demo-2"
 ```
 
 ### Windows PowerShell
@@ -516,7 +517,7 @@ For example:
 ### Linux
 
 ```shell
-export KUBECONFIG=$KUBECONFIG:$HOME/.kube/config
+export KUBECONFIG="${KUBECONFIG}:$HOME/.kube/config"
 ```
 
 ### Windows Powershell
@@ -547,7 +548,7 @@ Return your `KUBECONFIG` environment variable to its original value. For example
 ### Linux
 
 ```shell
-export KUBECONFIG=$KUBECONFIG_SAVED
+export KUBECONFIG="$KUBECONFIG_SAVED"
 ```
 
 ### Windows PowerShell