Therefore, for performance reasons, large amounts of concatenation or other involved string manipulation should be performed with the StringBuilder class, as demonstrated in the code examples below.是什么意思_Therefore, for performance reasons, large amounts of concatenation or other involved string manipulation should be performed with the StringBuilder class, as demonstrated in the code examples below.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句