So let me talk a little bit about why we need to do that, because our global commons is under attack in a variety of ways, and none of the sources of threat to the global commons will be solved by building walls.
所以，接下来我将说一些为什么我们需要那么做， 因为我们的共同目标正在受到威胁， 而且是多方面的， 同时没有一种威胁 能被通过筑墙隔离解决。