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外星是一个人类尚不可知的地方,因为不可知,所以神秘。神秘助长了想象,也助长了人类探索的积极性。但我们必须以真实和客观的眼光来看待外星世界。
Extraterrestrial is a human unknown, because unknown, so mysterious. Mystery fueled imagination, but also contributed to the enthusiasm of human exploration. But we must view the alien world in a real and objective way.