Owing to the enterprise compete for the raw milk and the scale effect of big enterprise, the access barrier was raised. Dairy manufacturing industry has the structure of monopolistic competition.

企业对奶源的争夺和大企业规模效应，奶业的进入壁垒逐步提高，行业处于垄断竞争型的市场结构。

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Research in Motion enjoyed a nearly monopolistic position in the enterprise as the must-have device for professionals.

FORBES: The Significance of Ericsson's Departure from Handsets

In the U.S. competitive, private enterprise model, that Professor Crawford so objects to as monopolistic and discriminatory, American private enterprise is investing tens of billions of dollars annually in private risk capital to drive more, faster, and more ubiquitous broadband service.

FORBES: A Problem in Search of a Problem