Who is better, Binbin or Xiao from Peking University?

1, Peking University Binbin's lectures are humorous, the classroom atmosphere is relaxed and pleasant, the learning efficiency can be greatly improved, and she is more friendly to students with poor foundation.

2. Kouga's lecture method is too rigorous, the classroom atmosphere is not very relaxed, he is not very friendly to students with poor foundation, and his audience is not wide.