C171 Teach Now and Learn Now

Along with Zhang Tiehniu's question, everyone in Zhennan Prince Mansion fell to the ground with a 'putong' sound and stared at Zhang Tiehniu with their mouths wide open.

Everyone's face was filled with thick disbelief!

After all, what Zhang Tiehniu said was something that they couldn't understand!

Or rather, it was because they understood that they couldn't understand it