不允许使用空格或者其他特殊字符。

No Spaces or other special characters are permitted.

youdao

如果指定了多个绝对路径，就必须使用逗号将其分隔开；值之间不允许有空格。

If multiple paths are specified, they must be separated by commas; no blanks are allowed between values.

youdao

如果指定多个值，就必须使用逗号将其分隔开；在值列表项之间不允许有空格。

If multiple values are specified, they must be separated by commas; no blanks are allowed between items in the list of values.

youdao

如果指定多个值，就必须使用逗号将其分隔开；在值列表项之间不允许有空格。

If multiple values are specified, they must be separated by commas; no blanks are allowed between items in the list of values.

youdao