从实际出发，前提是要深入了解实际情况。
The engines fired and Apollo 8 slid silently behind the Moon. The men heard a crackle in their headsets as the radio signal to Mission Control faltered and then failed.
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Наука и техника
With only a handful of clues to answer, the daily puzzle doubles as a speed-running test for many who play it.
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百度去年 AI 业务营收达 400 亿元，萝卜快跑累计出行破 2000 万
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