The $_ is another special variable that has different meanings in different contexts.
$_是另一个在不同上下文中有不同含义的特殊变量。
As you can see, there are no special characters to denote a variable.
可以看到，表示变量并不需要任何特殊的字符。
Variable assignment in Vimscript requires a special keyword, let.
Vimscript中的变量分配需要一个特殊的关键字，let。
The assigns variable is special.
assigns是一个特殊的变量。
A special built-in variable, __arg3, is used to capture the return value from a function.
使用一个特殊的内置变量__arg 3捕捉函数的返回值。
The variable i is just plain i — nothing special.
变量i就是一个纯粹的 i —毫无特殊之处。
A view class has a special instance variable called @main_view_component that references its corresponding Swing class.
视图类有一个专用的实例变量 @main_view_component，它引用相应的Swing 类。
Report variable is a special objects build on top of an expression.
一个报表变量是在表达式头部指定的。
Report variable is a special objects build on top of an expression.
一个报表变量是在表达式头部指定的。
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