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.
我们称可见光为什么？我们称之为颜色。但颜色只是我们给光碰到某物时的行为方式起的名字。
城市是一个共享的房子，我们都是它的建筑师。
It's not just the ad, but the product that must be interesting.
Wisdom comes from a deep understanding of life.
最好的管理是一门真正的科学，建立在明确的法律、规则和原则之上。
