现代采石要求我们同时成为地质学家、生态学家和社区外交官。
The best performance improvement is the transition from the nonworking state to the working state.
Giving up smoking is the easiest thing in the world. I know because I’ve done it thousands of times.
对付不自由世界的唯一方法就是变得如此绝对自由,以至于你的存在本身就是一种反叛。
The true value of a forest isn't measured in board feet, but in biodiversity and carbon sequestration.