The higher a person's concentration, the higher his proficiency in things, and the farther away from success. But for children, with the growth of age, attention will
1.3-4 years old children draw in ().
A. Graffiti period should be, young, and has not yet reached the symbolic height. Graffiti is more of
In life, many parents complain that they care about their children, while children are selfish and don't know how to care about their parents and others.