求翻译：有些人认为有必要参加课外培训班，因为现在孩子学习的课程多，孩子仅仅靠上课听老师讲不能够完全理解，参加课外培训班能够帮助孩子更好的提升成绩。当然也有些人认为没有必要，他们认为那样会加重孩子的负担，不利于孩子的健康成长。是什么意思？

Some people think that it is necessary to participate in extra-curricular training courses, because children now learning courses, the child alone in class listening to the teacher talk about can not be fully understood, to participate in the extracurricular training sessions to help children to bet

There are some who believe that there is a need to take part in extra-curricular courses, because now the children's learning, children courses alone hear teachers say students are not to be able to fully understand and participate in extra-curricular training course to be able to help a child bette

Some people thought has the essential participation extracurricular training class, because the present child studies the curriculum are many, the child depends on merely attends class listens to teacher to say cannot understand completely, the participation extracurricular training class can help t

Some people consider it necessary to attend the training class, because children now study courses, kids just by listening to the teacher in class does not have full understanding, participation in extracurricular courses could help children to better enhance the performance. Some people, of course,