生活就是在你忙于制定其他计划时发生的事情。
The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
When I'm on stage, that's when I feel most alive.
大树恨枝干上没有树叶,不要怨怪是太阳偏心故意晒偏。
The challenge is to make the invisible visible.