And, this is what you hear a lot about in the news, Kyoto, and all this kind of thing about destruction of the ozone layer.

这是你所听到了很多新闻里相关的东西，京都议定书,以及所有这类破坏臭氧层的事情。

麻省理工公开课 - 固态化学导论课程节选

And in such a world, even a sovereign state will be endangered either from other states or from groups and individuals devoted to terror and destruction.

在这样的世界里,即使是主权国家,也可能受到来自他国的侵犯,或者是个人以及团体的恐怖破坏。

耶鲁公开课 - 政治哲学导论课程节选