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煤炭的未來取決于經濟增長與環境責任的平衡。

The only fence against the world is a thorough knowledge of it.

我們的遺產將由我們今天如何對待森林來定義。

To understand a life, one must first understand the age in which it was lived.

我寫作是為了記住，為了不忘記。