回复：求教：要买一处多用途商务楼，前身是加油站或者汽车维修点，有潜在问题吗？诚谢!!!

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.