The existence of a legal system is a matter of social fact.
法律体系的存在是一个社会事实。
幸福来自内心,而不是物质的东西。
过去从未死去,它甚至还没有过去。
There’s one item of G.I.gear that can be the difference between life and death.
The best way to predict the future is to create it.
条件作用原理同样适用于所有物种。