The higher the order of a central place, the fewer its number and the larger its sphere of influence.
中心地的等級越高，其數(shù)量越少，影響范圍越大。
The ocean feeds millions; our job is to ensure it can feed millions more—without being emptied.
投資更清潔的煤炭技術(shù)是對能源未來的投資。
We're not trying to preach, we're just trying to teach.
It is forbidden toLove truth only when she shines on you； but when she turns to go away from you， let her go.
數(shù)學(xué)研究的過程和結(jié)果本身一樣重要。