Second, the existence of large commercial Street building plans.
第二，商业街的建设存在很大的盲目性。
In fact, the market has also exist a large number of "economic commercial housing" project.
其实，市场上一直以来还存在着大量的“经济商品房”项目。
Here is the traditional commercial and retail center with a large stream of people.
这里是传统商业和零售区，人流量非常大。
The fire load of underground commercial building is very large and controlling fire is difficult.
同时，地下商业建筑的火灾荷载大，且地下商业建筑的防火救火工作具有相当大的困难。
The fire load of underground commercial building is very large and controlling fire is difficult.
同时，地下商业建筑的火灾荷载大，且地下商业建筑的防火救火工作具有相当大的困难。
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