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.

FORBES: Here's What Google Got When It Bought Motorola

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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Notebooks and netbooks sales make up 16% of the Trefis price estimate for Dell compared to under 4% for its desktop unit.

FORBES: PC Business The Key For Dell To Double