化学是关于连接的科学，无论是字面上还是隐喻上。
Chemistry is the science of connections, both literal and metaphorical.
The worst pain a man can suffer is to have insight into much and power over nothing.
Behind every bushel of grain is a story of dedication that spans generations.
The beauty of astronomy lies in its ability to connect us to the vastness of the cosmos.
物理系统的对称性反映在其能级的简并性上。