Characters in the format code that have a special meaning can only be displayed as literal characters if they are preceded by a backslash. The backslash itself is not displayed, unless you enter a double backslash (\\) in the format code.
要将格式代码中具有特殊含义的字符作为文字字符显示，必须在这些字符前加上反斜杠。反斜杠本身并不会显示，除非在格式代码中输入两个反斜杠 (\\)。