Set the sub-menu expansion mode after el-menu is folded.

After the el menu is collapsed, set the sub-menu expansion mode.

1. Open the EXCEL table to be operated, select the cell to set data validity, find it in the data toolbar, and click Data Validity.

2. Select the sequence in the options menu below, then enter the text content to be used as data in the source input box, separate the options with English commas, and click the OK button below.

3. Return to the EXCEL table and find that the data validity has been set successfully. You can select content input in the drop-down menu.

How to pickle plums to taste good?

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What are the famous dishes in Cantonese cuisine?

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Is there a discount for the tickets of Tangshan Zhongjing Spring Games in 2023?

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What food and medicine does Wang Jian San usually eat?