中心地的空間分布遵循基于經(jīng)濟(jì)原則的系統(tǒng)模式。
Prediction is very difficult, especially about the future.
"Innovation is born from the marriage of curiosity and persistence."
在追求知識(shí)的過(guò)程中，我們必須始終保持謙遜，對(duì)新思想持開(kāi)放態(tài)度。
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
I raised my kids to be independent—just like me.