Collaboration is key—no single company or country can protect the oceans alone.
我的失明不是悲剧，而是以另一种方式看世界的机会。
最优财政政策要求税率随时间平稳变化，仅对政府支出的永久性变化作出反应。
The ultimate measure of a man is not where he stands in moments of comfort and convenience， but where he stands at times of challenge and controversy.
