What do we call visible light? We call it color. But the colors are only the names we give to the way light behaves when it hits something.
机器人技术的真正力量不仅在于替代人类劳动,还在于增强人类能力。
"Art is the only thing that can save us from the emptiness of existence."
生命周期假说认为,个人会在一生中规划其消费和储蓄行为。
Every seed planted is a commitment to the future—a future where food security and ecological health are inseparable.