The essence of computational complexity is to understand the limits of what can be computed efficiently.
计算复杂性的本质是理解什么可以被有效地计算的极限。
理解计算就是理解宇宙的语言，因为正是通过计算我们才能建模和预测自然界。
我最大的幸福就是能够用歌声感动别人。
Sustainability isn't a trend; it's a responsibility we owe to future generations.
每个矿工的贡献对于保持灯火通明至关重要。