The classroom on the second floor of Duke Zhou was changed to the classroom on the first floor.

Dreams are not allowed. If there are similarities, it is purely coincidental. However, thinking day and night and dreaming can also explain a state of mind of people's subconscious. As the saying goes, a gentleman asks for more happiness. As a worry, vigilance is also beneficial and harmless.

From the dream analysis, changing the classroom on the second floor into the classroom on the first floor means the decline of social status.