If it's a territory-based service business, for example, you need to know that the territory has sufficient population to support a multimillion-dollar volume of sales.

比如，如果你打算开一家区域性服务公司，你要了解这个区域是不是有足够的人口来支撑百万元级别的销售额。

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In 1988, a dollar sale of new injection molding machinery in the U. s. was approximately 65% of total major polymer machinery sales volume; this included 4,600 injection molding units.

1988年，美国新的注塑成型机械销售约占全部主要聚合物机械销售量的65%，其中包括4,600台注塑成型设备。

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After just six years of selling FAA-certified aircraft, the Duluth, Minn. privately held company in 2005 surpassed Cessna in sales of piston aircraft, as measured by dollar volume.

FORBES: Small-Jet Market Heats Up

Since Cleis Press started selling digital books in 2008, its sales have grown 30%, and the publisher attributes 40% of its dollar volume to e-books.

WSJ: How Kindle, Nook and iPad Fuel Sales of Erotica for Women

Kendall-Jackson has had 18% annual unit-volume growth in the 1990s and a dollar market share in the highly fragmented chardonnay segment (60% of its sales) that dwarfs its nearest competitors.

FORBES: Harvest Time