Merge pull request kubernetes-sigs#132 from helight/zh-translate-refe…

…rence-markers-rbac

zh-translation:/reference/markers/rbac.md

docs/book/src/reference/markers/rbac.md

@@ -1,9 +1,5 @@
 # RBAC
 
-These markers cause an [RBAC
-ClusterRole](https://kubernetes.io/docs/reference/access-authn-authz/rbac/#role-and-clusterrole)
-to be generated.  This allows you to describe the permissions that your
-controller requires alongside the code that makes use of those
-permissions.
+这些标签会导致生成一个 [RBAC 的 ClusterRole](https://kubernetes.io/docs/reference/access-authn-authz/rbac/#role-and-clusterrole)。这可以让您描述控制器所需要的权限，以及使用这些权限的代码。
 
 {{#markerdocs RBAC}}