The menus under the Mac are all at the top of the screen. . . On the apple logo. . The menu list will change according to different applications. . . Ensure the unity of the overall interface of each application. . .

Direct mapping

This is after you pointed it out. .

A copy is a copy of the current file. . . The second copy. . Just like pasting in windows. . . But it's not the same as body double under Mac. . . Body double is just an empty shell. . . If the original file is deleted, body double cannot open it. . .