For example sales amount can sensibly be summed but unit price should be averaged.

例如，可以明显地对销售量进行汇总，但单位价格应当是平均值。

youdao

And at a sales price of $12 per unit, the cost of unreliabili…

如果销售价格为$12每件，那产品…

youdao

Motorola Mobility is more akin to RIM both in terms of expected 2011 unit sales and the average price point of those sales.

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Using our modifiable chart above, for a 5 million unit change in iPad sales by 2013 translates to around 1% shift in our price estimate.

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