一个毁坏土壤的国家就是在毁灭自己。森林是我们土地的肺，净化空气并给我们的人民以新的力量。
"A nation that destroys its soils destroys itself. Forests are the lungs of our land, purifying the air and giving fresh strength to our people."
回忆创造了一个比宇宙更完美的世界：它让死去的人复活。
"The price of greatness is responsibility."
中心地的等级越高，其服务的区域越大，此类中心地的数量越少。
The interplay between theory and practice in computer science is what drives innovation and progress.
科学家不满足于停留在表面现象。
