一个好的学习算法应该能够从有限的例子中推广到未见过的数据。
The past is a different country, they do things differently there.
我爱她是违背常理,是妨碍前程,是失去自治,是希望破灭,是断送幸福,是注定要尝尽一切的沮丧和失望的。可是,一旦爱上了她,我再也不能不爱她。