It was about what we can do to change the world, what we can do together to tackle the great challenges the world faces together, the great global challenge of climate change.

• 这是对我们能做些什麽来改变这个世界，我们能做些什麽共同解决重大挑战，伟大的世界面临著共同的,巨大的全球气候变化挑战。