diff --git a/source/chapter3/09_Summary_of_the_Grammar.md b/source/chapter3/09_Summary_of_the_Grammar.md
index e69de29b..41790bf9 100644
--- a/source/chapter3/09_Summary_of_the_Grammar.md
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+# 语法总结 (Summary of the Grammar)
+
+## 语句
+