The walls of the educational system must come down. Education should not be a privilege, so the children of those who have money can study.
全息原理表明,空间区域的信息内容可以被认为编码在该区域的边界上,就像全息图一样。
Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.