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-# UNION那些事
+# Story About Union
+
 
-## 关于作者：
 
-个人公众号：
 
 ![](../img/wechat.jpg)
 
-联合（union）是一种节省空间的特殊的类，一个 union 可以有多个数据成员，但是在任意时刻只有一个数据成员可以有值。当某个成员被赋值后其他成员变为未定义状态。联合有如下特点：
+（Union）is a space saving special class.A union can have multiple data members.However, only one data member can have a value at any time. When a member is assigned a value, other members become undefined.
+
+- The default access control character is public
+- It can contain constructors and destructors
+- Cannot contain a member of a reference type
+- Cannot inherit from other classes, cannot be a base class
+- Cannot contain virtual functions
+- Anonymous union can directly access union members in the scope of definition
+- Anonymous union cannot contain protected or private members
+- Global anonymous union must be static
+
 
-- 默认访问控制符为 public
-- 可以含有构造函数、析构函数
-- 不能含有引用类型的成员
-- 不能继承自其他类，不能作为基类
-- 不能含有虚函数
-- 匿名 union 在定义所在作用域可直接访问 union 成员
-- 匿名 union 不能包含 protected 成员或 private 成员
-- 全局匿名联合必须是静态（static）的