It's clear that science and science fiction have overlapping populations.
很明显，科学和科幻小说有重叠的人群。
-- Frederik Pohl 弗雷德里克·波尔
It's clear that science and science fiction have overlapping populations.
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It's clear that science and science fiction have overlapping populations.
很明显，科学和科幻小说有重叠的人群。
-- Frederik Pohl 弗雷德里克·波尔
