Food security is a global issue that requires local action.
粮食安全是一个需要地方行动的全球性问题。
You have to believe in yourself when no one else does.
世界很艰难，但你更强大。
能源的未来在于可持续和高效的解决方案。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.