hapihu commented on a change in pull request #16852:
URL: https://github.com/apache/flink/pull/16852#discussion_r695828546
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File path: docs/content.zh/docs/dev/datastream/overview.md
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@@ -28,62 +28,45 @@ specific language governing permissions and limitations
under the License.
-->
+<a name="flink-datastream-api-programming-guide"></a>
+
# Flink DataStream API 编程指南
-DataStream programs in Flink are regular programs that implement
transformations on data streams
-(e.g., filtering, updating state, defining windows, aggregating). The data
streams are initially created from various
-sources (e.g., message queues, socket streams, files). Results are returned
via sinks, which may for
-example write the data to files, or to standard output (for example the
command line
-terminal). Flink programs run in a variety of contexts, standalone, or
embedded in other programs.
-The execution can happen in a local JVM, or on clusters of many machines.
+Flink 中的 DataStream
程序是对数据流（例如过滤、更新状态、定义窗口、聚合）进行转换的常规程序。数据流最初是从各种源（例如消息队列、套接字流、文件）创建的。结果通过 sink
返回，例如可以将数据写入文件或标准输出（例如命令行终端）。Flink 程序可以在各种上下文中运行，可以独立运行，也可以嵌入到其它程序中。任务执行可以发生在本地
JVM 中，也可以发生在多台机器的集群上。
+
+为了创建你自己的 Flink DataStream 程序，我们建议你从 [Flink
程序剖析](#anatomy-of-a-flink-program)开始，然后逐渐添加自己的[流转换](({{< ref
"docs/dev/datastream/operators/overview" >}}))。其余部分用作额外算子和高级特性的参考。
Review comment:
OK，take your advice. I will update it as soon as possible.
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