A blank screen的用法和样例：
- Q. My current screen saver has switched from EON to the default screen saver (a blank screen).
- Q. My current screen saver has switched from EON to the default screen saver( a blank screen).
- Open your eyes, move around a bit. Close your eyes, imagine a blank screen, and we're starting the real change.
- You can adopt a similar system so that you will always have something to write about and will never face a blank screen wondering what on earth to say.
- During his campaign Mr Obama was, as he put it himself, “a blank screen on which people of vastly different political stripes project[ed] their own views”.