回複：求教：要買一處多用途商務樓，前身是加油站或者汽車維修點，有潛在問題嗎？誠謝!!!

You have to conduct an environmental study (kind of like inspection) to make sure the land is not contaminated. There are two/three phases. If phase1 fails (the cost is relatively inexpensive), don't waste money on phase 2, just pass it.