The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.

文化的功能观点坚持这样的原则：在每一种文明类型中，每一种习俗、物质对象、观念和信仰都履行某种重要功能，完成某些任务，代表一个运作整体中不可或缺的部分。

"The only person you should try to be better than is the person you were yesterday."

我们生产的每一块塑料都应该有完整的生命周期规划。