在这同时，市场进入门槛降低，小企业蜂拥而入。
At the same time, barriers to entry are falling for small firms.
韩国有各行业有各种各样的进入门槛，用以保护小作坊式的商铺免于市场竞争。
Korea maintains various entry barriers to shelter mom-and-pop stores from competition.
有些证券市场要求的条件较高，有些证券市场的进入门槛比较低。
Some of the security markets have high requirements while some others have relatively low threshold.
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