efore the 90s, the increase of the training classes was not so great. On the other hand, there has been a sharp increase in the training classes after the 90s.
some people think it is necessary to appiy to the development of the society, more and more people pay much attention to the improvement of their ability, which they hope to improve through specclasses.besides, with the improvement of the people’s living standards, more and more people regard it as a preferable way to spend their spare time.
however,another think attend training classes is unnessary.they think it can waste time of holiday that can do something of ownself.As far as I am concerned, I think it is necessary to attend training classes. For one thing, they can play a very important role in help you to attain your goal quickly and efficiently. For another, you can learn not only what you need quickly but also a new way to broaden your horizo.