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.
电影的魅力在于它能够将你带到另一个世界。
The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.
在森林保护工作中,必须倾听土著社区的声音。
I don't believe in luck. I believe in hard work.