海洋是生命的摇篮，也是人类未来的希望，我们要像对待母亲一样呵护她。
在代数中，两个量的相等性通过方程来表达。
世界充满苦难，但也充满对苦难的克服。
The dairy industry must lead in environmental stewardship.
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
繁荣的森林是成功的最终衡量标准。
The energy transition is not just about replacing one energy source with another; it's about transforming the entire energy system.