如果在那之前，一个临近的世界曾影响过我们，那么它将在背景微波辐射中留下一些痕迹，让我们在150亿年后仍能检测到。
If a nearby universe had somehow interacted with our universe before that time, it might have left its imprint on the CMB for us to discover almost 15 billion years later.
如果在700年前，我就应该问你，你是否有“anekename ”，在那之前，eke name是两个词。
700 years ago I would have asked you if you had "an eke name" and before that "eke name" was two words.
如果在700年前，我就应该问你，你是否有“anekename ”，在那之前，eke name是两个词。
700 years ago I would have asked you if you had "an eke name" and before that "eke name" was two words.
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