P与NP问题是计算机科学中最重要的一个问题之一。

我们把每座建筑都视为献给城市的礼物。

I don't care if you're black, white, straight, bisexual, gay, lesbian, short, tall, fat, skinny, rich or poor. If you're nice to me, I'll be nice to you. Simple as that.

情绪不仅仅是反应；它们也是我们未来行为的预测器。