1·You can't, because the file was saved; there is no UNDO here, so the programmer would need to either recover the backup copy or retype it.
不能使用它，因为文件已被保存；此处没有UNDO命令，因此，程序员需要恢复备份或重新输入。
2·In this case, you need to delete the pasted quotation marks and retype it using your keyboard.
在这种情况下，您需要删除粘贴引号，并重新输入它使用您的键盘。
3·You will have to continuously retype this code for each one.
你必须不断重新输入此为每个代码。
4·Looks like we will have to retype the entire 12 page long document!
看起来我们将不得不重新输入整个12页长的文件！