你在玫瑰上所花的时间，让玫瑰变得重要。

在山谷的深处是拯救之路。

U.S. energy independence doesn't mean isolation - we're still part of global markets.

The world is full of obvious things which nobody by any chance ever observes.

理解计算的极限对于推进计算机科学领域至关重要。

采石业的创新不仅在于新技术，更在于新思维。