列
在活动单元格的左侧或右侧插入列。插入的列数等于您选择的列数。如果没有选择列，则插入一列。现有的列将被向右移动。
Choose .
From the tabbed interface:
Choose .
Choose .
Insert a column before the column where the cursor is currently placed.
Insert a column after the column where the cursor is currently placed.
