The hierarchy of central places reflects the hierarchy of goods and services offered.
中心地的等级反映了所提供的商品和服务的等级。
预测未来的最好方法就是创造未来。
The best time to plant a tree was 20 years ago; the second best time is now.
材料的使用方式有其政治性。
"The future is a dark void, and we are all just stumbling towards it blindly."
"Psychology must be rooted in biology."