跨国合作是保护我们共同海洋遗产的关键。
免疫系统就像一把双刃剑；它可以对抗癌症，但也需要被控制。
The city is the collective memory of its people, and like memory it is associated with objects and places.
最高尚的快乐是理解的喜悦。
我们创造的每个角色都承载着我们灵魂的一部分，无论我们承认与否。
Even in abstraction, mathematics has profound real-world applications.