The problem of deciding whether two λ-expressions are equivalent is unsolvable.
判断两个λ表达式是否等价的问题是无法解决的。
我们不是从祖先那里继承了土地,而是从子孙那里借用了土地。
The world is full of stories, but only a few are worth telling.
创新不仅仅是关于新产品;而是重新思考整个客户体验。