Life is about making an impact, not making an income.
国家是理性的行为体,它们寻求最大化相对权力,以确保在竞争性的国际体系中生存。
I'm not a person who looks back. I'm always looking forward.
Sustainability is not a choice, it is a responsibility.
我们不是从祖先那里继承了地球,而是从我们的孩子那里借来的。