Redo Address Change的意思|示意

重做地址更改 UIKit automatically supplies the strings “Undo “ and “Redo “ for the undo alert button titles, but you need to provide a word or two that describes the action users can undo or redo. (Note that the Cancel button cannot be changed.) For example, you might supply the text “Delete Name” or “Address Change,” to create buttons titles such as “Undo Delete Name” or “Redo Address Change.