无限的概念不仅仅是一个数学抽象，而是一个物理现实。
The concept of infinity is not just a mathematical abstraction, but a physical reality.
电子并非一个简单不可分割的实体，而是一个复杂系统，其行为只能通过量子力学定律来理解。
Together, we can help make sure that every family that walks into a restaurant can make an easy, healthy choice.
释义：解决困难问题，应从还比较易于处理的时候开始；铲除邪恶，应趁它尚在细微的时候进行。
Collaboration across industries is the key to solving the complex challenges of marine fisheries.
婚姻的快乐完全是机会的问题。
