Hutt and Speh (2001) note that "business marketers serve the largest market of all; the dollar volume of transactions in the industrial or business market significantly exceeds that of the ultimate consumer market."
Hutt and Speh (2001)指出“企业营销人员的市场最大；用美元衡量的工业或企业市场的交易额大大超过最终消费者市场”。