这包括发布广告，销售产品，宣传或其他专业用途。
This includes ads, sale of products, advertising or any other professional USES.
基本上所有类别的开支(包括销售、推广和产品开发的开支)第三季度都较上年同期下降。
Virtually all categories of expenses — including sales and marketing and product development — fell in the quarter from the year-earlier period.
想想你的销售和营销策略。这包括产品和服务是怎样定价的，渠道市场，广告和营销计划。
Think about your sales and marketing strategy, include information on how the product or service will be priced, channels to market, advertising and marketing plans.
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