Edit the text so that it contains the desired column header, and delete to original content of the cell.
编辑文本，让它包含想要的列标题，删除单元格原来的内容。
If you want to delete a module from a page, simply click the X icon in the module header.
如果想要从页面删除一个模块，可以单击模块头部的X图标。
This header is of particular benefit in a multi-client environment, as it can be used to delete or update an entry only if it hasn't already been changed since it was last read.
该头部在多客户端环境中尤其有用，因为它可用于删除或更新自上次读取以来未发生更改的条目。
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