Science fiction is the literature of change.
PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。
Making games requires patience, quality products need time to polish.
"A writer must have the courage to face the truth, no matter how painful it may be." 《日落绿洲》
To write is to wrestle with silence.
儿童的一切教育都必须遵循一个原则,即帮助孩子身心自然的发展。