只为三个国家制造不值得我花费时间;但为全世界制造则非常值得。
The concept of infinity is not just a mathematical abstraction, but a physical reality.
It's not about how bad you want it. It's about how hard you're willing to work for it.
某些城市人工制品的永久性赋予了它们纪念碑的品质。