数学中最令人兴奋的时刻是当你发现两个看似不相关的领域有着深刻的联系。
科学发现的影响可能是深远的,往往远远超出最初的预期。
Every tree we plant today is an investment in tomorrow's clean air, stable climate, and thriving ecosystems.
In your life there are a few places, or maybe only the one place, where something happened, and then there are all the other places.