We can use the concatenation operator to create new strings from existing ones.
我们可以通过连结符操作来从原有的字符串获得一个新的字符串。
Use standard arithmetic operators for Numbers and a concatenation operator for combining strings.
对于数可使用标准算术运算符，对于组合字符串可使用串联运算符。
I hope this sufficiently explains concatenation in general, how it relates to PHP, and my experience with using this basic operator.
我希望这些能够充分的解释连接操作符的基本概念和在PHP里的作用，以及我对这个基本操作的经验。
If you prefer not to use a long string concatenation statement like this, an alternative is to use the string formatting operator which enables you to have an expression like.
如果不喜欢使用这么长的字符串连接语句，另一种方法是使用字符串格式操作符，可以使用下面这样的表达式。
Operator, which performs delegate concatenation.
运算符，该运算符执行委托串联。
Delegate types also provide a binary + operator, which performs delegate concatenation.
委托类型也提供二元+运算符，该运算符执行委托串联。
Delegate types also provide a binary + operator, which performs delegate concatenation.
委托类型也提供二元+运算符，该运算符执行委托串联。
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