NP完全性不仅仅是一个理论上的好奇心；它对实际计算有着深远的影响。
科技创新是推动石油工业高质量发展的核心动力，我们要加大研发投入，突破关键核心技术。
The future belongs to those who believe in the beauty of their dreams.
I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.
The great advantage of a hotel is that it’s a refuge from home life.
