Concatenate strings instead of formatting them.

连接字符串而非格式化字符串。

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This is the most flexible way to concatenate strings because you can use it to append just one string, a few strings at a time, or an entire array of strings.

这是连接字符串最灵活的方法，因为你可以用它追加一个字符串，或者一次追加几个字符串，或者一个完整的字符串数组。

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Rather than arithmetically or logically manipulating characters, a computer may concatenate strings of characters, replace some characters with others, or otherwise manipulate character strings.

计算机能将若干字符连成串，用一些字符代替其他字符或另行处理字符串，而不是用算术方法或逻辑方法处理字符。

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