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We are to remember that we are not to take anything with us out of this world, and that it is how we have conducted ourselves here that will matter in the end.

歷史不僅僅是關于過去；它也關乎現在和未來。

Sustainability isn't just an option; it's our responsibility to future generations.

森林是地球的肺，我們必須像保護自己的健康一樣緊迫地保護它們。

The rise of China and other authoritarian states challenges the idea that liberal democracy is the only viable political system.