The ocean doesn't belong to any one nation; it's a shared resource that requires global stewardship.
海洋不属于任何一个国家；它是一种需要全球管理的共享资源。
The best way to learn mathematics is to do mathematics.
表演的美妙之处在于它让你探索人类经验的不同方面。
Every individual matters. Every individual has a role to play. Every individual makes a difference.
模型的好坏取决于其假设。