whst can you see under a ruler 哪里错了?

whst can you see under a ruler 哪里错了? Can you see some What can you see can you see can you see the can you see you can't see how can you see who can you see if can see you you can see( ) yourself Can you see the What can you see? “Can you see it? can you see it, how can you see only you can see you can not see