Children learn to dance, and after leaving the training class, they are responsible for uncomfortable remedial classes.

Training class is a kind of training activity to improve students' knowledge and skills, or to improve their mentality and form certain habits. Such as piano training courses, eloquence training courses, 5S training courses, president training courses, etc.

In the modern era of fierce economic competition, high-skilled and high-quality talents have competitive advantages, and corresponding training institutions have emerged.