On an average day, nearly everyone fifteen years of age and older took part in a non-work activity like watching television, socializing or exercising.

VOA: special.2011.07.22

Place the non-bonding pairs on peripheral atoms first, which the higher average valence electron energy.

首先将孤对电子放在外围的原子，那儿具有较高的平均价电子能。

麻省理工公开课 - 固态化学导论课程节选

The average non-Dow stock fell 75% between 1968 and 1974.

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The article does a great job putting this in perspective: the average high-growth firm adds 88 employees per year compared to 2-3 for the average non-high growth small business.

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The recipients are hardly the most deserving: farm households make a third more than others, and the richest of them, which get most of the subsidies, bring in three times what the average non-farm household does.

ECONOMIST: The farm bill