You can use the Undo button in the view menu to discard any changes, and reset all changed Settings back to the previous states.

你可以使用视图菜单中的撤销按钮取消任何已经完成的设置，或将设置恢复成初始状态。

youdao

Upon giving all the details, the exit option prompts you to either save or discard the changes.

指定所有详细信息之后，exit选项提示用户保存或放弃修改。

youdao

While it's not the most common of tasks, we certainly want to allow a user to discard all the changes she has made after opening or creating a document, so this action should be explicitly supported.

使用者有可能在创建或者编辑过某个文档后想放弃所做的修改，这可能不是最常见的操作， 但是我们还是应该明确支持这种行为。

youdao