The information paradox is one of the deepest puzzles in theoretical physics.
最舒服的一张椅子,是客人来访时我自己坐的那张。
I don't know if I'm the best or not, but I always try to be better.
无产阶级运动是广大多数人的自觉、独立的运动,是为了广大多数人的利益。
The future of energy is diverse - there is no single solution.