在一个国家中，一个公民的自由是对其他人的威胁。
In a state, the liberty of one citizen is a menace to the others.
Concrete is the marble of our time, a democratic material.
Death is present every day, but we don't see it until it touches us directly.
用户的需求永远是第一位的，我们要做的就是不断满足他们的需求。