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And it's at this level, the social level, that the new efficiencies reside.
正是这种水平，社会水平产生了新效率。
youdao
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They reside in a cottage at the foot of the mountain.
他们居住在山脚下的一所小屋里。
youdao
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They reside in a cottage at the foot of the mountain.
他们居住在山脚下的一所小屋里。
youdao