1. Children are undergoing fast physical development;lack of physical exercise may produce disastrous influence on their later life.

孩子们正处于身体快速发育时期，缺乏体育锻炼可能会对他们未来的生活造成严重的影响。

2. In the second place，from psychological aspect，the majority of children seem to tend to have an unfavorable attitude toward additional educational activities.

第二，从心理上讲，大部分孩子似乎对额外的学习没有什么好感。

3. It is hard to imagine a student focusing their energy on textbook while other children are playing.

当别的孩子在玩耍的时候，很难想象一个学生能集中精力在课本上。

4. 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.

而且，由于要额外地学习，孩子们没有多少时间和同龄的孩子玩耍和交流，很难培养他们的个性和交际能力。他们可能变得孤僻甚至产生某些心理疾病。