双语例句
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They always want to forget their own, but the thought has become a permanent mark.
自己又总想把它遗忘，可是在思想中成为了永远的烙印。
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Our impact is so profound, most scientists believe humanity has left a permanent mark on Earth's geological record.
我们的影响如此之深刻，以至于大多科学家们相信人类在这个地球上已留下了永久的痕迹。