气候变化是我们这个时代的决定性议题,我们正处于决定性时刻。
The essence of mathematics lies in its freedom.
The best way to predict the future of our forests is to create it.
The realization of a practical quantum computer will require breakthroughs in both hardware and software.
If you think about something at three o'clock in the morning and then again at noon the next day, you get different answers...