As we all know,self-tought is becoming more and more important ,just as the same implies,self-tought means that you teach yourself without asking help from your classmates or teachers.Everyone should own this kind of ability because classmates or teachers are not always be there when you need help.As information is more and more accessible for example the newspaper,TV,computer will provide us with various information to meet our needs. to educate them to be independent,the most effective way is to let them experience on their own..