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The research on the entry and exit barriers is an important part of industrial economics.

进入与退出壁垒的研究是产业经济学的重要组成部分。

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For the competitive environment of the industry, it's growing up towards maturity period, there are some entry barriers, almost without exit barriers.

在行业直接环境方面：目前行业处于成长期向成熟期的过渡阶段，存在进入障碍，基本无退出障碍。

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Indeed, barriers to exit sometimes seem greater than barriers to entry in the European car industry.

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The barriers to exit are now even more potent barriers to entry.

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With these relationships will come immense knowledge about customer preferences and tremendous barriers to exit.

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