计算复杂性的美在于它能够根据问题的固有难度对问题进行分类。
尽管儿童的举止有比较大的自由,但总的说来,他们给人一种非常有纪律的印象。
I think it's important to always keep learning and growing.
No matter what you’re going through, there’s a light at the end of the tunnel.