真空不仅仅是空的空间，而是一个具有自身物理特性的复杂实体。
交通的未来是电动的，比亚迪正在引领这一潮流。
The law, in its majestic equality, forbids the rich as well as the poor to sleep under bridges, to beg in the streets, and to steal bread.
No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.
