RocMarshal commented on a change in pull request #11979:
URL: https://github.com/apache/flink/pull/11979#discussion_r420709761
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File path: docs/training/event_driven.zh.md
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@@ -29,19 +29,18 @@ under the License.
## Process Functions
-### Introduction
+### 介绍
-A `ProcessFunction` combines event processing with timers and state, making it
a powerful building
-block for stream processing applications. This is the basis for creating
event-driven applications
-with Flink. It is very similar to a `RichFlatMapFunction`, but with the
addition of timers.
+`ProcessFunction` 将事件处理与 Timer 和 State 结合在一起，使其成为流处理应用的强大构建模块。
Review comment:
@klion26 Thanks for your suggestion. I will make improvements based on
your suggestions in next commit.
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