没有什么比一项未完成的任务永远悬在那里更令人疲惫的了。
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.
Sometimes, the wicked will tell us things just to confuse us–to haunt our thoughts long after we've faced them.
我只跟和我结婚的男人上过床。有几个女人敢这么说?