最好的肥料是将农民的知识与自然的智慧相结合。
Topological insulators are a prime example of how theoretical predictions can lead to experimental discoveries that reshape our understanding of the physical world.
争论是俗不可耐的,因为道德社会里每个人都持完全相同的观点。
You cannot swim for new horizons until you have courage to lose sight of the shore.