我们要加强国际合作，共同应对能源安全和气候变化的挑战。
We must strengthen international cooperation to jointly address the challenges of energy security and climate change.
我们不是靠运气，而是靠勤奋和智慧走到今天的。
我不相信后悔，我相信从中吸取教训。
Owning stocks is like having children – don't get involved with more than you can handle.
She's simply too strange. We can't relate to her, she speaks in a funny way, she comes from an odd place. So we can't relate to her, and when you can't relate to somebody, you don't envy them. The closer two people are -- in age, in background, in the process of identification -- the more there's a danger of envy, which is incidentally why none of you should ever go to a school reunion, because there is no stronger reference point than people one was at school with.