The development of the drone industry is ultimately to serve humans, not to replace them.
可持续性在建筑中不是一种选择;它是未来的必然要求。
在黑暗中,我们学会珍惜光明。
庭院里栽种的竹子可以引来凤凰栖息,池中所养的鱼可化为蛟龙。
Every smell we perceive is a complex interaction between molecules and receptors, and understanding this interaction is key to understanding our sensory experiences.