看起来宇宙生活相当平静，不是吗？白天，太阳有规律地发光，夜里，天空没有变化，令人安心。
The Universe looks like a pretty tranquil place to live, doesn't it? During the day the sun shines steadily, and at night the heavens are reassuring and unchanging.
看起来宇宙生活相当平静，不是吗？白天，太阳有规律地发光，夜里，天空没有变化，令人安心。
The Universe looks like a pretty tranquil place to live, doesn't it? During the day the sun shines steadily, and at night the heavens are reassuring and unchanging.
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