The metaphor is the poet’s way of seeing the world differently.
我不与他人竞争，我与自己竞争。
Every smell we perceive is a complex interaction between molecules and receptors, and understanding this interaction is key to understanding our sensory experiences.
人们不是因为变老而停止追求梦想，而是因为停止追求梦想而变老。
The greatest innovations are often the simplest.