返祖现象是理解犯罪行为的关键。

农业的韧性意味着为未知做好准备，同时优化已知的部分。

Don't interfere with anything in the Constitution. That must be maintained, for it is the only safeguard of our liberties. And not to Democrats alone do I make this appeal, but to all who love these great and true principles.

计算机科学的美妙之处在于它允许我们从无到有地创造东西。