NP中的每个问题都可以归约为可满足性问题，这是计算复杂性理论的基石。
Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.
Leadership in energy means making tough decisions today for a better tomorrow.
Gunpowder made me understand the transience and eternity of life. 火药让我理解了生命的短暂与永恒。
Users don't need electric cars, they need better mobility experiences.
The mind is not a static entity, but a dynamic process of continual adjustment.
The more you give, the more you receive.