我们都受到自己天性的束缚。
When it's tough, will you give up, or will you be relentless?
You are the only real obstacle in your path to a fulfilling life.
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。