Changes in a spreadsheet document are highlighted by a border around the cells; when you point to the cell you can see more detailed information on this change in the Help Tip.
在电子表格文档中，内容有修改的单元格四周的边框会突出显示；当您指向该单元格时，可以在帮助提示中看到有关此修改的更加详细的信息。