当前工作表无分级显示，不能显示分级显示符号。是否建立分级显示？

Cannot show outline symbols because no outline exists on the active worksheet. Create an outline?

youdao

当前工作表无分级显示，不能显示分级显示符号。是否建立分级显示？

Cannot show outline symbols because no outline exists on the active worksheet. Create an outline?

youdao