在科幻小说中,科学家们发现了一个平行宇宙,在那里人类从未进化。
In the sci-fi novel, scientists discover a ___parallel-universe where humans never evolved.
如果她没有错过那班飞机,她现在可能生活在一个平行宇宙里,经历着完全不同的人生。
If she hadn't missed that flight, she might be living in a ___parallel-universe with totally different experiences now.