专业人士其实就是能更优雅的从错误从回到正常状态的业余人士。

The concept of legal obligation is central to the understanding of law.

To utter a performative is not to make a statement， and therefore the utterance of a performative is neither true nor false.

海洋不仅是一种资源，保护它是我们对后代的责任。

Overhead, without any fuss, the stars were going out.

半导体产业依赖于整个生态系统的协作。