71. This phenomenon has caused wide public concern in many places of world.
72. Many parents believe that additional educational activities enjoy obvious advantage. By extra studies， they maintain， their children are able to obtain many kinds of practical skills and useful knowledge， which will put them in a beneficial position in the future job markets when they grow up.
73. In the first place， extra studies bring about unhealthy impacts on physical growth of children. Educational experts point out that， it is equally important to take some sport activities instead of extra studies when children have spent the whole day in a boring classroom.
74. Children are undergoing fast physical development； lack of physical exercise may produce disastrous influence on their later life.
75. In the second place， from psychological aspect， the majority of children seem to tend to have an unfavorable attitude toward additional educational activities.
76. It is hard to imagine a student focusing their energy on textbook while other children are playing.
77. Moreover，children will have less time to play and communicate with their peers due to extra studies，consequently，it is difficult to develop and cultivate their character and interpersonal skills. They may become more solitary and even suffer from certain mental illness.
78. From what has been discussed above，we may safely draw the conclusion that，although extra studies indeed enjoy many obvious advantages，its disadvantages shouldn't be ignored and far outweigh its advantages. It is absurd to force children to take extra studies after school.
79. Any parents should place considerable emphasis on their children to keep the balance between play and study. As an old saying goes： All work and no play makes Jack a dull boy.
80. There is a growing tendency for parent these days to stay at home to look after their children instead of returning to work earlier.
81. Parents are firmly convinced that，to send their child to kindergartens or nursery schools will have an unfavorable influence on the growth of children.
82. However，this idea is now being questioned by more and more experts，who point out that it is unhealthy for children who always stay with their parents at home.
83. Although parent would be able to devote much more time and energy to their children， it must be admitted that，parent has less experience and knowledge about how to educate and supervise children，when compared with professional teachers working in kindergartens or nursery schools.
84. From what has been discussed above， we may safely draw a conclusion that， although the parents' desire to look after children by themselves is understandable，its disadvantages far outweigh the advantages.
85. Parents should be encouraged to send their children to nursery schools， which will bring about profound impacts on children and families，and even the society as a whole.