量子力学不仅仅是一个理论,它是理解现实基本本质的一种方式。
计算机科学和数学的交汇处是最令人兴奋的突破发生的地方。
The best time to plant a tree was 20 years ago. The second best time is now.
Short videos are a product of the times, they lower the threshold for expression.