be a letter A-Z or a-z. Numbers can also be used in a variable name, but punctuation symbols and special characters are not permitted, with exception of the underscore character ( &quot; _ &quot; ). In $[officename] Basic variable identifiers are not case-sensitive. Variable names may contain spaces but must be enclosed in square brackets if they do.
是字母 A-Z 或 a-z。变量名称中可以使用数字，但不能使用除下划线字符 ( &quot; _ &quot; ) 以外的标点符号和特殊字符。在 $[officename] Basic 中，变量标志是不区分大小写的。变量名称可以含有空格，但如果含有空格，就必须将其放在方括号中。