世界上最好和最美丽的东西是看不见甚至摸不到的——它们必须用心去感受。
In the context of computational learning, the concept of 'probably approximately correct' (PAC) learning provides a framework for understanding the efficiency and feasibility of learning algorithms.
写作这一职业使赛马看起来像是一项稳固、稳定的生意。
我通过圆点看世界，这就是我理解它的方式。