注意力是心灵以清晰生动的形式，从几个同时可能出现的对象或思绪中占据一个。
Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.
The individual has always had to struggle to keep from being overwhelmed by the tribe.
无人机行业的发展，最终是为了服务人类，而不是替代人类。
We are all living in a state of controlled chaos.
海洋不属于我们——我们属于海洋，我们必须相应地行动。