The theory of continental drift is not a mere hypothesis but a physical necessity.
大陆漂移理论不仅仅是一个假设，而是一种物理必然。
The most common form of despair is not being who you are.
In the attosecond world, time is not a river but a series of snapshots waiting to be captured.
A managed forest is like a symphony—every tree plays its part at the right time.
可持续性不是一种趋势，而是商业的未来。