一名中国宇航员为中国向外太空迈出历史性的一步。
A Chinese astronaut has made the historic first step in outer space for his country.
不过，毋庸讳言，这可是Windows和Linux的历史性战斗中的重要一步。
Nevertheless, it was a major step forward in the historic Windows-Linux battle.
不过，毋庸讳言，这可是Windows和Linux的历史性战斗中的重要一步。
Nevertheless, it was a major step forward in the historic Windows-Linux battle.
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