There are 3 differences between babies "crawling first and then walking" and "not crawling then walking" when they grow up. Parents should pay attention to them.
Children don’t cry when they enter kindergarten just because their mother insists on doing four things. The scientific method can be used for reference
There is a kind of emotional illness that is plaguing millions of good students in our country, and even the top students at Peking University are suffering from it.