实际发展水平与潜在发展水平之间的距离,前者由独立解决问题决定,后者由在成人指导下或与更有能力的同伴合作解决问题决定。
The best way to predict the future is to invent it. Don't worry about what anybody else is going to do. The best way to predict the future is to invent it.
音乐拯救了我的生命,我希望它也能拯救别人。