The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

I think we are all capable of terrible things under the right circumstances.

Over time, our emerging high-usage products will likely generate significant new revenue streams for Google as well as for our partners, just as search does today.

The human mind is not just a passive recorder of reality but an active constructor of it.

科学研究要解决实际问题，不能只停留在论文上。

建筑是对空间的深思熟虑的创造。