The theory of computation provides a foundation for understanding what can and cannot be computed.
计算理论为理解什么可以计算、什么不能计算提供了基础。
地球是一个动态的物体,其表面在不断变化。
幸福不能只存在于你自己的头脑中。幸福是感觉良好与实际拥有意义、良好关系和成就的结合。
I don't want to be as good as I was, I want to be better than I was.