No obvious tech or market barriers to entry.
这一领域对于进入者没有明显的技术或市场壁垒。
So the national market was not hindered by internal customs barriers.
因此，全国市场不再受阴于内部的关税障碍。
Barriers to entry are a standard explanation for an uncompetitive market.
对于没有竞争力的市场而言，行业障碍是一种标准解释。
Market Specific Factors: Barriers to Entry and Exit
市场特定因素：进出壁垒
Market size and entry barriers.
市场规模与进入壁垒。
Market size and entry barriers.
市场规模与进入壁垒。
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