It can be realized in tables. First design a table, set the alignment, then select all tables, click Menu Table | Table Properties | Table | Borders and Shading | Borders | Settings, and then click the box without left. Or click the "black triangle" to the right of the border button on the table toolbar, and click the "None" button to turn the original table line gray. Then enter the menu content, preview, table lines will not appear, and will not be printed.
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