法律体系的存在是一个事实问题，而不是道德问题。
The existence of a legal system is a matter of fact, not of morality.
自由是生命的呼吸。
The idea that higher wages necessarily lead to fewer jobs is too simplistic.
The power of the Internet of Things comes not from the number of devices, but from the value of the data they generate and the insights we can derive from it.