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Patience is key in observational astronomy—some discoveries take decades to confirm.
如果我们用耕种土地的方式耕种海洋,我们将重蹈覆辙。
Certification standards are meaningless without rigorous enforcement.
森林的真正价值永远不能仅用板材英尺来衡量。
Sometimes you have to lose yourself before you can find anything.
血是最贵重的液体。