From 6cfde0060c6798b83a2916f05e9adfd198cbe4c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=82=B1=E6=96=AF?= <105703029@nccu.edu.tw>
Date: Fri, 4 Jan 2019 01:49:32 +0800
Subject: [PATCH] if at the end of the sentence (#24428)

---
 guide/chinese/ruby/ruby-conditionals/index.md | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/guide/chinese/ruby/ruby-conditionals/index.md b/guide/chinese/ruby/ruby-conditionals/index.md
index af4c77dd05..77674b2452 100644
--- a/guide/chinese/ruby/ruby-conditionals/index.md
+++ b/guide/chinese/ruby/ruby-conditionals/index.md
@@ -20,15 +20,21 @@ Ruby有几个常用的条件。
      end 
     
     ```
-    
-
-### 除非声明
+ 
+## 除非声明
 
 除非语句与if语句相反。它与否定的if语句相同。
 
 *   `ruby happy = true if !happy puts "This person is not happy" end` 以上陈述等同于以下陈述
 *   `ruby unless happy puts "This person is not happy" end`
 
+## 句尾条件
+
+在ruby当里我们也常将条件至于句尾
+
+*   `puts "Your fruit is an apple" if fruit == :apple`
+*   `puts "This is not an apple" unless fruit == :apple`
+
 ## 三元声明
 
 三元语句用作短条件语句。它写成如下
@@ -51,4 +57,4 @@ case语句类似于if / elsif / else语句
       puts "This is not an apple or an orange" 
      end 
     
-    ```
\ No newline at end of file
+    ```