"In computer science, we are always trying to find the balance between expressiveness and tractability."

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

The rich are different from you and me—they have more money and less empathy.

你真的要离开吗？因为我想要的一切就是你能出现在我的门前。

History is not just about kings and battles—it's about the people who lived through it.

我们必须倾听科学，并让它指导我们在水产养殖中的决策。

Risk management in mining isn't about eliminating all risks - that's impossible - but about understanding and mitigating them intelligently.